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
¶
| Path | Synopsis |
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Concurrency
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ExtraExercises/bounded
command
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ExtraExercises/confinementadhoc
command
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ExtraExercises/confinementlex
command
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ExtraExercises/counter
command
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ExtraExercises/ctxadd
command
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ExtraExercises/ctxclient
command
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ExtraExercises/ctxserve
command
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ExtraExercises/errgroup
command
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ExtraExercises/errhandling
command
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ExtraExercises/fanin
command
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ExtraExercises/hard
command
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ExtraExercises/hardsleep
command
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ExtraExercises/hedged
command
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ExtraExercises/leaks
command
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ExtraExercises/merge
command
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ExtraExercises/unbounded
command
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ExtraExercises/workerpool
command
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Projects
command
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Projects/Generator
command
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Projects/LinkChecker
command
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Projects/LinkChecker/Template
command
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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Scratch
command
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channels/advanced/example1
command
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
command
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
command
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
command
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
command
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
command
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
command
Parallel link checker.
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Parallel link checker. |
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channels/exercises/exercise1
command
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
command
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
command
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
command
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
command
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
command
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
command
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
command
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/template4-x
command
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context/example1
command
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context/example2
command
Cancellation example without context.
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Cancellation example without context. |
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context/example3
command
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csp/example1
command
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goroutines/example1
command
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
command
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
command
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
command
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
command
Create a program that declares two anonymous functions.
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Create a program that declares two anonymous functions. |
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select/example1
command
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select/example2
command
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signal
command
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timeout
command
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Database
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example1
command
Web capture tool.
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Web capture tool. |
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Language
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CustomFlags
command
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DefaultValuesWorkaround
command
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Embedding
command
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ErrorHandling/AdHoc
command
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ErrorHandling/ErrVerb
command
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ErrorHandling/WrapError
command
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Identity/Basic
command
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Identity/SlicePointer
command
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MapTypes/Set
command
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NilInterface
command
go run main.go
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go run main.go |
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RandomImage
command
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Scratch
command
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ScratchReservoir
command
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Slices/SliceAppendToNil
command
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Slices/SliceBatching
command
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Slices/SliceCut
command
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Slices/SliceCutSafe
command
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Slices/SliceDeleteSafe
command
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Slices/SliceExpand
command
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Slices/SliceExtend
command
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Slices/SliceFilter
command
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Slices/SliceFilterNoAlloc
command
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Slices/SliceGotchaAppend
command
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Slices/SliceGotchaAppendByte
command
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Slices/SliceGrow
command
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Slices/SliceMakeVsNew
command
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Slices/SliceSize
command
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Slices/SliceStorage
command
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StringByteSlice/Len
command
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Switch/Empty
command
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TabularData/Basic
command
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TabularData/CsvUtilMap
command
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TabularData/CsvUtilMarshalNested
command
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TabularData/CsvUtilUnmarshal
command
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TabularData/Decoder
command
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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TabularData/GotaDataFrame
command
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TabularData/GotaIris
command
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TabularData/ReadAll
command
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ZeroValue/NilValue
command
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Lifecycle
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FromScratch
command
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Patterns
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AggregateError
command
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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ChannelLenCap
command
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ConcurrencyExtraExercises/ctxadd
command
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ConcurrencyExtraExercises/fanin
command
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ConcurrencyExtraExercises/hard
command
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ConcurrencyExtraExercises/hedged
command
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ConcurrencyExtraExercises/leaks
command
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ConcurrencyExtraExercises/merge
command
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Context/example1
command
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Context/example2
command
Cancellation example without context.
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Cancellation example without context. |
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Context/example3
command
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Context/example4
command
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Context/example5
command
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Context/example6
command
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Defer
command
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Errgroup/example1
command
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Errgroup/example2
command
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Errgroup/example3
command
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GoEmbed
command
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GoGenerate/example1
command
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Infinite
command
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Mistakes/Embedding
command
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NestedGoroutines
command
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Rot13
command
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Validation/custom
command
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Validation/custom-validation
command
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Validation/map-validation
command
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Validation/simple
command
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Validation/struct-level
command
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Validation/translations
command
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Services
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00-server
command
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01-server-handlerfunc
command
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02-server-handler
command
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03-server-handle
command
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04-server-handlefunc
command
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05-two-handlers
command
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06-handler-methods
command
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07-methods
command
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08-post
command
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10-mux
command
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11-gorilla-mux
command
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HttpTest/Server
command
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Todo
command
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exercises/exercise1
command
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exercises/template1
command
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final
command
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