Documentation ¶
There is no documentation for this package.
Directories ¶
Path | Synopsis |
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courses
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intro/quick/hello
Sample program to show off Go and check programming environment.
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Sample program to show off Go and check programming environment. |
intro/quick/helloHTTP
Sample program to show off Go and check programming environment.
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Sample program to show off Go and check programming environment. |
one-day-overview/misc/curl1
Sample program to show how to write a simple version of curl using the io.Reader and io.Writer interface support.
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Sample program to show how to write a simple version of curl using the io.Reader and io.Writer interface support. |
one-day-overview/misc/curl2
Sample program to show how to write a simple version of curl using the io.Reader and io.Writer interface support.
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Sample program to show how to write a simple version of curl using the io.Reader and io.Writer interface support. |
quick_tour/code/cli
Sample program to show the basics of using flags.
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Sample program to show the basics of using flags. |
quick_tour/code/concurrency
Basic command line program that accepts arguments.
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Basic command line program that accepts arguments. |
quick_tour/code/http
Program to show how to run a basic web server.
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Program to show how to run a basic web server. |
topics
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arrays/advanced/example1
Sample program to show how the backing array for a referene type can be placed contiguous in memory with the header value.
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Sample program to show how the backing array for a referene type can be placed contiguous in memory with the header value. |
arrays/example1
Sample program to show how to declare and iterate over arrays of different types.
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Sample program to show how to declare and iterate over arrays of different types. |
arrays/example2
Sample program to show how arrays of different sizes are not of the same type.
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Sample program to show how arrays of different sizes are not of the same type. |
arrays/example3
Sample program to show how the behavior of the for range and how memory for an array is contiguous.
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Sample program to show how the behavior of the for range and how memory for an array is contiguous. |
arrays/exercises/exercise1
Declare an array of 5 strings with each element initialized to its zero value.
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Declare an array of 5 strings with each element initialized to its zero value. |
arrays/exercises/template1
Declare an array of 5 strings with each element initialized to its zero value.
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Declare an array of 5 strings with each element initialized to its zero value. |
benchmarking/caching
package caching provides code to show why CPU caches matter and the way the hardware caches memory affects performance.
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package caching provides code to show why CPU caches matter and the way the hardware caches memory affects performance. |
channels/advanced/example1
Sample program to show the order of channel communication for unbuffered, buffered and closing channels based on the specification.
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Sample program to show the order of channel communication for unbuffered, buffered and closing channels based on the specification. |
channels/example1
Sample program to show how to use an unbuffered channel to simulate a game of tennis between two goroutines.
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Sample program to show how to use an unbuffered channel to simulate a game of tennis between two goroutines. |
channels/example2
Sample program to show how to use an unbuffered channel to simulate a relay race between four goroutines.
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Sample program to show how to use an unbuffered channel to simulate a relay race between four goroutines. |
channels/example3
This sample program demonstrates how to use a buffered channel to receive results from other goroutines in a guaranteed way.
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This sample program demonstrates how to use a buffered channel to receive results from other goroutines in a guaranteed way. |
channels/example4
This sample program demonstrates how to use a channel to monitor the amount of time the program is running and terminate the program if it runs too long.
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This sample program demonstrates how to use a channel to monitor the amount of time the program is running and terminate the program if it runs too long. |
channels/exercises/exercise1
Write a program where two goroutines pass an integer back and forth ten times.
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Write a program where two goroutines pass an integer back and forth ten times. |
channels/exercises/exercise2
Write a problem that uses a buffered channel to maintain a buffer of four strings.
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Write a problem that uses a buffered channel to maintain a buffer of four strings. |
channels/exercises/template1
Write a program where two goroutines pass an integer back and forth ten times.
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Write a program where two goroutines pass an integer back and forth ten times. |
channels/exercises/template2
Write a problem that uses a buffered channel to maintain a buffer of four strings.
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Write a problem that uses a buffered channel to maintain a buffer of four strings. |
cli/cobra
This program provides a sample building cli tooling.
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This program provides a sample building cli tooling. |
composition/example1
Sample program demonstrating struct composition.
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Sample program demonstrating struct composition. |
composition/example2
Sample program demonstrating decoupling with interfaces.
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Sample program demonstrating decoupling with interfaces. |
composition/example3
Sample program demonstrating interface composition.
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Sample program demonstrating interface composition. |
composition/example4
Sample program demonstrating decoupling with interface composition.
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Sample program demonstrating decoupling with interface composition. |
composition/example5
Sample program demonstrating when implicit interface conversions are provided by the compiler.
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Sample program demonstrating when implicit interface conversions are provided by the compiler. |
composition/example6
Sample program demonstrating that type assertions are a runtime and not compile time construct.
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Sample program demonstrating that type assertions are a runtime and not compile time construct. |
composition/exercises/exercise1
Follow the guided comments to:
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Follow the guided comments to: |
composition/exercises/template1
Follow the guided comments to:
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Follow the guided comments to: |
concurrency_patterns/chat
Package chat implements a basic chat room.
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Package chat implements a basic chat room. |
concurrency_patterns/chat/main
This sample program demonstrates how to create a simple chat system.
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This sample program demonstrates how to create a simple chat system. |
concurrency_patterns/pool
Package pool manages a user defined set of resources.
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Package pool manages a user defined set of resources. |
concurrency_patterns/pool/main
This sample program demonstrates how to use the pool package to share a simulated set of database connections.
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This sample program demonstrates how to use the pool package to share a simulated set of database connections. |
concurrency_patterns/task
Package task provides a pool of goroutines to perform tasks.
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Package task provides a pool of goroutines to perform tasks. |
concurrency_patterns/task/main
This sample program demonstrates how to use the work package to use a pool of goroutines to get work done.
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This sample program demonstrates how to use the work package to use a pool of goroutines to get work done. |
constants/example1
Sample program to show how to declare constants and their implementation in Go.
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Sample program to show how to declare constants and their implementation in Go. |
constants/example2
Sample program to show how constants do have a parallel type system.
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Sample program to show how constants do have a parallel type system. |
constants/exercises/exercise1
Declare an untyped and typed constant and display their values.
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Declare an untyped and typed constant and display their values. |
constants/exercises/template1
Declare an untyped and typed constant and display their values.
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Declare an untyped and typed constant and display their values. |
data_race/advanced/example1
Sample program to show a more complicated race condition using an interface value.
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Sample program to show a more complicated race condition using an interface value. |
data_race/example1
Sample program to show how to create race conditions in our programs.
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Sample program to show how to create race conditions in our programs. |
data_race/example2
Sample program to show how to use the atomic package to provide safe access to numeric types.
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Sample program to show how to use the atomic package to provide safe access to numeric types. |
data_race/example3
Sample program to show how to use the atomic package functions Store and Load to provide safe access to numeric types.
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Sample program to show how to use the atomic package functions Store and Load to provide safe access to numeric types. |
data_race/example4
Sample program to show how to use a mutex to define critical sections of code that need synchronous access.
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Sample program to show how to use a mutex to define critical sections of code that need synchronous access. |
data_race/example5
Sample program to show how to use a read/write mutex to define critical sections of code that needs synchronous access.
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Sample program to show how to use a read/write mutex to define critical sections of code that needs synchronous access. |
data_race/exercises/exercise1
Answer for exercise 1 of Race Conditions.
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Answer for exercise 1 of Race Conditions. |
data_race/exercises/template1
Fix the race condition in this program.
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Fix the race condition in this program. |
embedding/example1
Sample program to show how what we are doing is NOT embedding a type but just using a type as a field.
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Sample program to show how what we are doing is NOT embedding a type but just using a type as a field. |
embedding/example2
Sample program to show how to embed a type into another type and the relationship between the inner and outer type.
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Sample program to show how to embed a type into another type and the relationship between the inner and outer type. |
embedding/example3
Sample program to show how embedded types work with interfaces.
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Sample program to show how embedded types work with interfaces. |
embedding/example4
Sample program to show what happens when the outer and inner type implement the same interface.
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Sample program to show what happens when the outer and inner type implement the same interface. |
embedding/exercises/exercise1
Copy the code from the template.
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Copy the code from the template. |
embedding/exercises/template1
Copy the code from the template.
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Copy the code from the template. |
encoding/example1
Sample program to show how to unmarshal a JSON document into a user defined struct type.
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Sample program to show how to unmarshal a JSON document into a user defined struct type. |
encoding/example2
Sample program to show how to unmarshal a JSON document into a user defined struct type from a file.
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Sample program to show how to unmarshal a JSON document into a user defined struct type from a file. |
encoding/example3
Sample program to show how to marshal a user defined struct type into a string.
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Sample program to show how to marshal a user defined struct type into a string. |
encoding/example4
Sample program to show how write a custom Unmarshal and Marshal functions.
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Sample program to show how write a custom Unmarshal and Marshal functions. |
encoding/exercises/exercise1
Create a file with an array of JSON documents that contain a user name and email address.
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Create a file with an array of JSON documents that contain a user name and email address. |
encoding/exercises/template1
Create a file with an array of JSON documents that contain a user name and email address.
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Create a file with an array of JSON documents that contain a user name and email address. |
error_handling/example1
Sample program to show how the default error type is implemented.
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Sample program to show how the default error type is implemented. |
error_handling/example2
Sample program to show how to use error variables to help the caller determine the exact error being returned.
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Sample program to show how to use error variables to help the caller determine the exact error being returned. |
error_handling/example3
http://golang.org/src/pkg/encoding/json/decode.go Sample program to show how to implement a custom error type based on the json package in the standard library.
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http://golang.org/src/pkg/encoding/json/decode.go Sample program to show how to implement a custom error type based on the json package in the standard library. |
error_handling/example4
Package example5 provides code to show how to implement behavior as context.
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Package example5 provides code to show how to implement behavior as context. |
error_handling/example5
Sample program to show see if the class can find the bug.
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Sample program to show see if the class can find the bug. |
error_handling/exercises/exercise1
Create two error variables, one called ErrInvalidValue and the other called ErrAmountTooLarge.
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Create two error variables, one called ErrInvalidValue and the other called ErrAmountTooLarge. |
error_handling/exercises/exercise2
Create a custom error type called appError that contains three fields, err error, message string and code int.
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Create a custom error type called appError that contains three fields, err error, message string and code int. |
error_handling/exercises/template1
Create two error variables, one called ErrInvalidValue and the other called ErrAmountTooLarge.
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Create two error variables, one called ErrInvalidValue and the other called ErrAmountTooLarge. |
error_handling/exercises/template2
Create a custom error type called appError that contains three fields, err error, message string and code int.
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Create a custom error type called appError that contains three fields, err error, message string and code int. |
exporting/example1
Sample program to show how to access an exported identifier.
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Sample program to show how to access an exported identifier. |
exporting/example1/counters
Package counters provides alert counter support.
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Package counters provides alert counter support. |
exporting/example2
Sample program to show how the program can't access an unexported identifier from another package.
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Sample program to show how the program can't access an unexported identifier from another package. |
exporting/example2/counters
Package counters provides alert counter support.
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Package counters provides alert counter support. |
exporting/example3
Sample program to show how the program can access a value of an unexported identifier from another package.
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Sample program to show how the program can access a value of an unexported identifier from another package. |
exporting/example3/counters
Package counters provides alert counter support.
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Package counters provides alert counter support. |
exporting/example4
Sample program to show how unexported fields from an exported struct type can't be accessed directly.
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Sample program to show how unexported fields from an exported struct type can't be accessed directly. |
exporting/example4/users
Package users provides support for user management.
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Package users provides support for user management. |
exporting/example5
Sample program to show how to create values from exported types with embedded unexported types.
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Sample program to show how to create values from exported types with embedded unexported types. |
exporting/example5/users
Package users provides support for user management.
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Package users provides support for user management. |
exporting/exercises/exercise1
Create a package named toy with a single exported struct type named Toy.
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Create a package named toy with a single exported struct type named Toy. |
exporting/exercises/exercise1/toy
Package toy contains support for managing toy inventory.
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Package toy contains support for managing toy inventory. |
exporting/exercises/template1
Create a package named toy with a single exported struct type named Toy.
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Create a package named toy with a single exported struct type named Toy. |
exporting/exercises/template1/toy
Package toy contains support for managing toy inventory.
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Package toy contains support for managing toy inventory. |
functions/advanced/example1
Sample program to show how to trap panics that can occur from the Go runtime.
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Sample program to show how to trap panics that can occur from the Go runtime. |
functions/example1
Sample program to show how functions can return multiple values while using named and struct types.
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Sample program to show how functions can return multiple values while using named and struct types. |
functions/example2
Sample program to show how we can use the blank IDentifier to ignore return values.
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Sample program to show how we can use the blank IDentifier to ignore return values. |
functions/example3
Sample program to show some of the mechanics behind the short variable declaration operator redeclares.
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Sample program to show some of the mechanics behind the short variable declaration operator redeclares. |
functions/exercises/exercise1
Declare a struct type to maintain information about a user.
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Declare a struct type to maintain information about a user. |
functions/exercises/template1
Declare a struct type to maintain information about a user.
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Declare a struct type to maintain information about a user. |
goroutines/example1
Sample program to show how to create goroutines and how the scheduler behaves.
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Sample program to show how to create goroutines and how the scheduler behaves. |
goroutines/example2
Sample program to show how the goroutine scheduler will time slice goroutines on a single thread.
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Sample program to show how the goroutine scheduler will time slice goroutines on a single thread. |
goroutines/example3
Sample program to show how to create goroutines and how the goroutine scheduler behaves with two contexts.
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Sample program to show how to create goroutines and how the goroutine scheduler behaves with two contexts. |
goroutines/exercises/exercise1
Create a program that declares two anonymous functions.
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Create a program that declares two anonymous functions. |
goroutines/exercises/template1
Create a program that declares two anonymous functions.
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Create a program that declares two anonymous functions. |
http/api
This program provides a sample web service that implements a RESTFul CRUD API against a MongoDB database.
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This program provides a sample web service that implements a RESTFul CRUD API against a MongoDB database. |
http/api/app
Package app provides application support for context and MongoDB access.
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Package app provides application support for context and MongoDB access. |
http/api/handlers
Package handlers contains the handler logic for processing requests.
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Package handlers contains the handler logic for processing requests. |
http/api/models
Package models contains data structures and associated behavior
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Package models contains data structures and associated behavior |
http/api/services
Package services provides business and data processing.
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Package services provides business and data processing. |
http/example1
Sample program to show how to implement a handler function with the http package.
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Sample program to show how to implement a handler function with the http package. |
http/example2
Sample program to show how you can use the FileServer handle with this service as a single call to ListenAndServe.
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Sample program to show how you can use the FileServer handle with this service as a single call to ListenAndServe. |
http/example3
Sample program to show how to use a ServeMux from the standard library.
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Sample program to show how to use a ServeMux from the standard library. |
interfaces/example1
Sample program to show how polymorphic behavior with interfaces.
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Sample program to show how polymorphic behavior with interfaces. |
interfaces/example2
Sample program to show how to understand the important of method sets.
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Sample program to show how to understand the important of method sets. |
interfaces/example3
Sample program to show how you can't always get the address of a value.
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Sample program to show how you can't always get the address of a value. |
interfaces/exercises/exercise1
Declare an interface named speaker with a method named speak.
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Declare an interface named speaker with a method named speak. |
interfaces/exercises/template1
Declare an interface named speaker with a method named speak.
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Declare an interface named speaker with a method named speak. |
logging/example1
Sample program to show how to use the log package from the standard library.
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Sample program to show how to use the log package from the standard library. |
logging/example2
Sample program to show how to extend the log package from the standard library.
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Sample program to show how to extend the log package from the standard library. |
logging/exercises/exercise1
Setup a new program to use the log package.
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Setup a new program to use the log package. |
logging/exercises/template1
Setup a new program to use the log package.
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Setup a new program to use the log package. |
maps/advanced/example1
Sample program to show how to compose maps of maps.
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Sample program to show how to compose maps of maps. |
maps/advanced/example2
Sample program to show the properties of nil maps.
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Sample program to show the properties of nil maps. |
maps/example1
Sample program to show how to declare, initialize and iterate over a map.
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Sample program to show how to declare, initialize and iterate over a map. |
maps/example2
Sample program to show how to declare and initialize a map using a map literal.
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Sample program to show how to declare and initialize a map using a map literal. |
maps/example3
Sample program to show how only types that can have equality defined on them can be a map key.
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Sample program to show how only types that can have equality defined on them can be a map key. |
maps/exercises/exercise1
Declare and make a map of integer values with a string as the key.
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Declare and make a map of integer values with a string as the key. |
maps/exercises/template1
Declare and make a map of integer values with a string as the key.
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Declare and make a map of integer values with a string as the key. |
memory_trace
Sample program to learn how to identify memory problems.
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Sample program to learn how to identify memory problems. |
methods/advanced/example1
Sample program to show how to declare function variables.
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Sample program to show how to declare function variables. |
methods/example1
Sample program to show how to declare methods and how the Go compiler supports them.
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Sample program to show how to declare methods and how the Go compiler supports them. |
methods/example2
Sample program to show how to declare methods against a named type.
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Sample program to show how to declare methods against a named type. |
methods/exercises/exercise1
Declare a struct that represents a baseball player.
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Declare a struct that represents a baseball player. |
methods/exercises/template1
Declare a struct that represents a baseball player.
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Declare a struct that represents a baseball player. |
pointers/example1
Sample program to show the basic concept of pass by value.
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Sample program to show the basic concept of pass by value. |
pointers/example2
Sample program to show the basic concept of using a pointer to share data.
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Sample program to show the basic concept of using a pointer to share data. |
pointers/example3
Sample program to show the basic concept of using a pointer to share data.
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Sample program to show the basic concept of using a pointer to share data. |
pointers/example4
Sample program to show variables stay on or escape from the stack.
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Sample program to show variables stay on or escape from the stack. |
pointers/exercises/exercise1
Declare and initialize a variable of type int with the value of 20.
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Declare and initialize a variable of type int with the value of 20. |
pointers/exercises/exercise2
Declare a struct type and create a value of this type.
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Declare a struct type and create a value of this type. |
pointers/exercises/template1
Declare and initialize a variable of type int with the value of 20.
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Declare and initialize a variable of type int with the value of 20. |
pointers/exercises/template2
Declare a struct type and create a value of this type.
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Declare a struct type and create a value of this type. |
profiling
Sample program to show how profiling works.
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Sample program to show how profiling works. |
receiver_choices/exercises/exercise1
Declare a struct type named Point with two fields, X and Y of type int.
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Declare a struct type named Point with two fields, X and Y of type int. |
receiver_choices/exercises/template1
Declare a struct type named Point with two fields, X and Y of type int.
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Declare a struct type named Point with two fields, X and Y of type int. |
reflection/example1
Sample program to show how the empty interface works.
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Sample program to show how the empty interface works. |
reflection/example2
Sample program to show how to reflect on a struct type with tags.
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Sample program to show how to reflect on a struct type with tags. |
reflection/example3
Sample program to show how to use reflection to decode an integer.
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Sample program to show how to use reflection to decode an integer. |
reflection/exercises/exercise1
Declare a struct type that represents a request for a customer invoice.
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Declare a struct type that represents a request for a customer invoice. |
reflection/exercises/template1
Declare a struct type that represents a request for a customer invoice.
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Declare a struct type that represents a request for a customer invoice. |
sched_trace
Sample program to review scheduler stats.
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Sample program to review scheduler stats. |
slices/advanced/example1
Sample program to show how to use a third index slice.
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Sample program to show how to use a third index slice. |
slices/example1
Sample program to show how the capacity of the slice is not available for use.
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Sample program to show how the capacity of the slice is not available for use. |
slices/example2
Sample program to show the components of a slice.
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Sample program to show the components of a slice. |
slices/example3
Sample program to show how to takes slices of slices to create different views of and make changes to the underlying array.
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Sample program to show how to takes slices of slices to create different views of and make changes to the underlying array. |
slices/example4
Sample program to show how to grow a slice using the built-in function append and how append grows the capacity of the underlying array.
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Sample program to show how to grow a slice using the built-in function append and how append grows the capacity of the underlying array. |
slices/example5
Sample program to show how strings have a UTF-8 encoded byte array.
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Sample program to show how strings have a UTF-8 encoded byte array. |
slices/example6
Sample program to show how to declare and use variadic functions.
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Sample program to show how to declare and use variadic functions. |
slices/exercises/exercise1
Declare a nil slice of integers.
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Declare a nil slice of integers. |
slices/exercises/template1
Declare a nil slice of integers.
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Declare a nil slice of integers. |
stack_trace/example1
Sample program to show how to read a stack trace.
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Sample program to show how to read a stack trace. |
stack_trace/example2
Sample program to show how to read a stack trace when it packs values.
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Sample program to show how to read a stack trace when it packs values. |
struct_types/advanced/example1
Sample program to show how struct types align on boundaries.
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Sample program to show how struct types align on boundaries. |
struct_types/example1
Sample program to show how to declare and initialize struct types.
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Sample program to show how to declare and initialize struct types. |
struct_types/example2
Sample program to show how to declare and initialize anonymous struct types.
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Sample program to show how to declare and initialize anonymous struct types. |
struct_types/example3
Sample program to show how variables of an unnamed type can be assigned to variables of a named type, when they are identical.
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Sample program to show how variables of an unnamed type can be assigned to variables of a named type, when they are identical. |
struct_types/exercises/exercise1
Declare a struct type to maintain information about a user (name, email and age).
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Declare a struct type to maintain information about a user (name, email and age). |
struct_types/exercises/template1
Declare a struct type to maintain information about a user (name, email and age).
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Declare a struct type to maintain information about a user (name, email and age). |
testing/example4
Sample program that implements a simple web service.
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Sample program that implements a simple web service. |
testing/example4/handlers
Package handlers provides the endpoints for the web service.
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Package handlers provides the endpoints for the web service. |
type_conversions/example1
Sample program to show how to declare and use a named type.
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Sample program to show how to declare and use a named type. |
type_conversions/example2
Sample program to show a idiomatic use of named types from the standard library and how they work in concert with other Go concepts.
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Sample program to show a idiomatic use of named types from the standard library and how they work in concert with other Go concepts. |
type_conversions/example3
Sample program to show a idiomatic use of named types from the standard library and how they work in concert with other Go concepts.
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Sample program to show a idiomatic use of named types from the standard library and how they work in concert with other Go concepts. |
type_conversions/example4
Sample program to show a idiomatic use of named types from the standard library and how they work in concert with other Go concepts.
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Sample program to show a idiomatic use of named types from the standard library and how they work in concert with other Go concepts. |
type_conversions/exercises/exercise1
Declare a named type called counter with a base type of int.
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Declare a named type called counter with a base type of int. |
type_conversions/exercises/template1
Declare a named type called counter with a base type of int.
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Declare a named type called counter with a base type of int. |
variables/example1
Sample program to show how to declare variables.
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Sample program to show how to declare variables. |
variables/exercises/exercise1
Declare three variables that are initialized to their zero value and three declared with a literal value.
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Declare three variables that are initialized to their zero value and three declared with a literal value. |
variables/exercises/template1
Declare three variables that are initialized to their zero value and three declared with a literal value.
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Declare three variables that are initialized to their zero value and three declared with a literal value. |
writers_readers/advanced/example1
Sample program to show how io.Writes can be embedded within other Writer calls to perform complex writes.
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Sample program to show how io.Writes can be embedded within other Writer calls to perform complex writes. |
writers_readers/advanced/example2
Sample program that adds a few more features.
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Sample program that adds a few more features. |
writers_readers/example1
Sample program to show how different functions from the standard library use the io.Writer interface.
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Sample program to show how different functions from the standard library use the io.Writer interface. |
writers_readers/example2
Sample program to show how to write a simple version of curl using the io.Reader and io.Writer interface support.
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Sample program to show how to write a simple version of curl using the io.Reader and io.Writer interface support. |
writers_readers/example3
Sample program to show how to use a MultiWriter to perform writes to multiple devices with one write call.
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Sample program to show how to use a MultiWriter to perform writes to multiple devices with one write call. |
writers_readers/exercises/exercise1
Download any document from the web and display the content in the terminal and write it to a file at the same time.
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Download any document from the web and display the content in the terminal and write it to a file at the same time. |
writers_readers/exercises/template1
Download any document from the web and display the content in the terminal and write it to a file at the same time.
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Download any document from the web and display the content in the terminal and write it to a file at the same time. |
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