README
¶
Go Workshop Notes
instructor: about
Outline
- Introduction
- Motivation and Landscape
- Hello World
- Task: "helloworld"
- History
- Timeline of events
- More First Programs
- Entry point
- Importing Code
- Visibility (public, private)
- Language Overview
- Basic Types
- Variable Declarations
- Control Structures: if, for, switch
- More Types
- Slices
- Maps
- Interfaces
- Structural Typing
- Small interfaces
- Variants (basic, embedding, general, ref/spec)
- Go OOP?
- Is Go object oriented? FAQ
- Error Handling
- Custom Error Types
- Wrapping and unwrapping errors
- Project Layout
- typical structure
- naming recommendations
- import path and resolution
- Go modules
- mixing public and private code
- versioning libraries
- IO
- working with files
- readers and writers
- Serialization
- struct tags
- JSON
- XML
- Testing Go Code
- Unit Test
- Subtests
- Benchmarks
- Testcontainers
- Concurrency
- classic and CSP style
- goroutines
- channels
- select
- the
syncpackage - error handling
- helpers:
errgroup
- HTTP clients
- clients and transport
- standard clients, third party clients
- HTTP servers
- handlers
- router, e.g. gorilla/mux
- testing
- Database access
- package db, db/sql
- database drivers
- sqlx helper
Follow up:
- Linkchecker
- Project layout, modules
- add library
- add service
- Services
- Misc
Directories
¶
| Path | Synopsis |
|---|---|
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Extra
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Concurrency/Projects/LinkChecker/Template
Program to feed URLs and display status code, runs parallel requests.
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Program to feed URLs and display status code, runs parallel requests. |
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Concurrency/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. |
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Concurrency/channels/example1
This sample program demonstrates the basic channel mechanics for goroutine signaling.
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This sample program demonstrates the basic channel mechanics for goroutine signaling. |
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Concurrency/channels/example2
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. |
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Concurrency/channels/example3
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. |
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Concurrency/channels/example4
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. |
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Concurrency/channels/example5
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. |
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Concurrency/channels/example6
Parallel link checker.
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Parallel link checker. |
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Concurrency/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. |
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Concurrency/channels/exercises/exercise2
Write a program that uses a fan out pattern to generate 100 random numbers concurrently.
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Write a program that uses a fan out pattern to generate 100 random numbers concurrently. |
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Concurrency/channels/exercises/exercise3
Write a program that uses goroutines to generate up to 100 random numbers.
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Write a program that uses goroutines to generate up to 100 random numbers. |
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Concurrency/channels/exercises/exercise4
Write a program that creates a fixed set of workers to generate random numbers.
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Write a program that creates a fixed set of workers to generate random numbers. |
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Concurrency/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. |
|
Concurrency/channels/exercises/template2
Write a program that uses a fan out pattern to generate 100 random numbers concurrently.
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Write a program that uses a fan out pattern to generate 100 random numbers concurrently. |
|
Concurrency/channels/exercises/template3
Write a program that uses goroutines to generate up to 100 random numbers.
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Write a program that uses goroutines to generate up to 100 random numbers. |
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Concurrency/channels/exercises/template4
Write a program that creates a fixed set of workers to generate random numbers.
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Write a program that creates a fixed set of workers to generate random numbers. |
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Concurrency/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. |
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Concurrency/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. |
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Concurrency/goroutines/exercises/exercise1
Create a program that declares two anonymous functions.
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Create a program that declares two anonymous functions. |
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Concurrency/goroutines/exercises/template1
Create a program that declares two anonymous functions.
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Create a program that declares two anonymous functions. |
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Mock
Package mock_main is a generated GoMock package.
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Package mock_main is a generated GoMock package. |
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Patterns/AggregateError
https://github.com/kubernetes/apimachinery/blob/06deae5c9c2c030d771a467e086b6c791e8800dc/pkg/util/errors/errors.go#L231-L246
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https://github.com/kubernetes/apimachinery/blob/06deae5c9c2c030d771a467e086b6c791e8800dc/pkg/util/errors/errors.go#L231-L246 |
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Patterns/Context/example2
Cancellation example without context.
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Cancellation example without context. |
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tasks
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tasks-solved
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x
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constructors
Examples for contructing types.
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Examples for contructing types. |
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godebug
Sample program to review scheduler stats.
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Sample program to review scheduler stats. |
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httprangereaderat
$ go run main.go | wc -l 9252
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$ go run main.go | wc -l 9252 |
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