README
¶
Go Expedition
An extended Go expedition. A variety of topics, gotchas and examples.
$ git clone github.com/miku/goexp
Repo contains notes and examples.
Overview
Directories
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| Path | Synopsis |
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Concurrency
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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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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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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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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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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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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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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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channels/example6
Parallel link checker.
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Parallel link checker. |
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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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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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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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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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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. |
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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. |
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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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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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context/example2
Cancellation example without context.
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Cancellation example without context. |
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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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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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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. |
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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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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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Database
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example1
Web capture tool.
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Web capture tool. |
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Language
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NilInterface
go run main.go
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go run main.go |
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TabularData/Decoder
Package csv implements a decoder, that supports CSV decoding.
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Package csv implements a decoder, that supports CSV decoding. |
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Lifecycle
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Patterns
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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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Context/example2
Cancellation example without context.
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Cancellation example without context. |
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Services
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