gows

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 Go to latest Published: May 5, 2022 License: MIT

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 sync package
    • 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
Extra
Concurrency/ExtraExercises/bounded command
Concurrency/ExtraExercises/confinementadhoc command
Concurrency/ExtraExercises/confinementlex command
Concurrency/ExtraExercises/counter command
Concurrency/ExtraExercises/ctxadd command
Concurrency/ExtraExercises/ctxclient command
Concurrency/ExtraExercises/ctxserve command
Concurrency/ExtraExercises/errgroup command
Concurrency/ExtraExercises/errhandling command
Concurrency/ExtraExercises/fanin command
Concurrency/ExtraExercises/hard command
Concurrency/ExtraExercises/hardsleep command
Concurrency/ExtraExercises/hedged command
Concurrency/ExtraExercises/leaks command
Concurrency/ExtraExercises/merge command
Concurrency/ExtraExercises/unbounded command
Concurrency/ExtraExercises/workerpool command
Concurrency/Projects command
Concurrency/Projects/Generator command
Concurrency/Projects/LinkChecker command
Concurrency/Projects/LinkChecker/Template command
Program to feed URLs and display status code, runs parallel requests.
 Program to feed URLs and display status code, runs parallel requests.
Concurrency/Scratch command
Concurrency/channels/advanced/example1 command
Sample program to show the order of channel communication for unbuffered, buffered and closing channels based on the specification.
 Sample program to show the order of channel communication for unbuffered, buffered and closing channels based on the specification.
Concurrency/channels/example1 command
This sample program demonstrates the basic channel mechanics for goroutine signaling.
 This sample program demonstrates the basic channel mechanics for goroutine signaling.
Concurrency/channels/example2 command
Sample program to show how to use an unbuffered channel to simulate a game of tennis between two goroutines.
 Sample program to show how to use an unbuffered channel to simulate a game of tennis between two goroutines.
Concurrency/channels/example3 command
Sample program to show how to use an unbuffered channel to simulate a relay race between four goroutines.
 Sample program to show how to use an unbuffered channel to simulate a relay race between four goroutines.
Concurrency/channels/example4 command
This sample program demonstrates how to use a buffered channel to receive results from other goroutines in a guaranteed way.
 This sample program demonstrates how to use a buffered channel to receive results from other goroutines in a guaranteed way.
Concurrency/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.
 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.
Concurrency/channels/example6 command
Parallel link checker.
 Parallel link checker.
Concurrency/channels/exercises/exercise1 command
Write a program where two goroutines pass an integer back and forth ten times.
 Write a program where two goroutines pass an integer back and forth ten times.
Concurrency/channels/exercises/exercise2 command
Write a program that uses a fan out pattern to generate 100 random numbers concurrently.
 Write a program that uses a fan out pattern to generate 100 random numbers concurrently.
Concurrency/channels/exercises/exercise3 command
Write a program that uses goroutines to generate up to 100 random numbers.
 Write a program that uses goroutines to generate up to 100 random numbers.
Concurrency/channels/exercises/exercise4 command
Write a program that creates a fixed set of workers to generate random numbers.
 Write a program that creates a fixed set of workers to generate random numbers.
Concurrency/channels/exercises/template1 command
Write a program where two goroutines pass an integer back and forth ten times.
 Write a program where two goroutines pass an integer back and forth ten times.
Concurrency/channels/exercises/template2 command
Write a program that uses a fan out pattern to generate 100 random numbers concurrently.
 Write a program that uses a fan out pattern to generate 100 random numbers concurrently.
Concurrency/channels/exercises/template3 command
Write a program that uses goroutines to generate up to 100 random numbers.
 Write a program that uses goroutines to generate up to 100 random numbers.
Concurrency/channels/exercises/template4 command
Write a program that creates a fixed set of workers to generate random numbers.
 Write a program that creates a fixed set of workers to generate random numbers.
Concurrency/channels/exercises/template4-x command
Concurrency/context/example1 command
Concurrency/context/example2 command
Concurrency/csp/example1 command
Concurrency/goroutines/example1 command
Sample program to show how to create goroutines and how the scheduler behaves.
 Sample program to show how to create goroutines and how the scheduler behaves.
Concurrency/goroutines/example2 command
Sample program to show how the goroutine scheduler will time slice goroutines on a single thread.
 Sample program to show how the goroutine scheduler will time slice goroutines on a single thread.
Concurrency/goroutines/exercises/exercise1 command
Create a program that declares two anonymous functions.
 Create a program that declares two anonymous functions.
Concurrency/goroutines/exercises/template1 command
Create a program that declares two anonymous functions.
 Create a program that declares two anonymous functions.
Concurrency/select/example1 command
Concurrency/select/example2 command
Concurrency/signal command
Concurrency/timeout command
Mock command
Package mock_main is a generated GoMock package.
 Package mock_main is a generated GoMock package.
Patterns/AggregateError command
https://github.com/kubernetes/apimachinery/blob/06deae5c9c2c030d771a467e086b6c791e8800dc/pkg/util/errors/errors.go#L231-L246
 https://github.com/kubernetes/apimachinery/blob/06deae5c9c2c030d771a467e086b6c791e8800dc/pkg/util/errors/errors.go#L231-L246
Patterns/ChannelLenCap command
Patterns/ConcurrencyExtraExercises/bounded command
Patterns/ConcurrencyExtraExercises/confinementadhoc command
Patterns/ConcurrencyExtraExercises/confinementlex command
Patterns/ConcurrencyExtraExercises/counter command
Patterns/ConcurrencyExtraExercises/ctxadd command
Patterns/ConcurrencyExtraExercises/ctxclient command
Patterns/ConcurrencyExtraExercises/ctxserve command
Patterns/ConcurrencyExtraExercises/errgroup command
Patterns/ConcurrencyExtraExercises/errhandling command
Patterns/ConcurrencyExtraExercises/fanin command
Patterns/ConcurrencyExtraExercises/hard command
Patterns/ConcurrencyExtraExercises/hardsleep command
Patterns/ConcurrencyExtraExercises/hedged command
Patterns/ConcurrencyExtraExercises/leaks command
Patterns/ConcurrencyExtraExercises/merge command
Patterns/ConcurrencyExtraExercises/unbounded command
Patterns/ConcurrencyExtraExercises/workerpool command
Patterns/Context/example1 command
Patterns/Context/example2 command
Cancellation example without context.
 Cancellation example without context.
Patterns/Context/example3 command
Patterns/Context/example4 command
Patterns/Context/example5 command
Patterns/Context/example6 command
Patterns/Defer command
Patterns/Errgroup/example1 command
Patterns/Errgroup/example2 command
Patterns/Errgroup/example3 command
Patterns/GoEmbed command
Patterns/GoGenerate/example1 command
Patterns/Infinite command
Patterns/Mistakes/Embedding command
Patterns/NestedGoroutines command
Patterns/Rot13 command
Patterns/Validation/custom command
Patterns/Validation/custom-validation command
Patterns/Validation/map-validation command
Patterns/Validation/simple command
Patterns/Validation/struct-level command
Patterns/Validation/translations command
Services/00-server command
Services/01-server-handlerfunc command
Services/02-server-handler command
Services/03-server-handle command
Services/04-server-handlefunc command
Services/05-two-handlers command
Services/06-handler-methods command
Services/07-methods command
Services/08-post command
Services/10-mux command
Services/11-gorilla-mux command
Services/HttpTest/Server command
Services/Todo command
Services/exercises/exercise1 command
Services/exercises/template1 command
Services/final command
tasks
asciitable command
btcprice command
datareader command
generator command
helloworld command
linkchecker command
randomimg command
switch command
timer command
vardecl command
wordfreq command
tasks-solved
asciitable command
btcprice command
datareader command
generator command
helloworld command
linkchecker command
randomimg command
sliceops command
strlen command
switch command
timer command
vardecl command
wordfreq command
x
ErrorHandling/AdHoc command
ErrorHandling/ErrVerb command
ErrorHandling/WrapError command
MapExtra/Set command
SlicesExtra/SliceAppendToNil command
SlicesExtra/SliceBatching command
SlicesExtra/SliceCut command
SlicesExtra/SliceCutSafe command
SlicesExtra/SliceDeleteSafe command
SlicesExtra/SliceExpand command
SlicesExtra/SliceExtend command
SlicesExtra/SliceFilter command
SlicesExtra/SliceFilterNoAlloc command
SlicesExtra/SliceGotchaAppend command
SlicesExtra/SliceGotchaAppendByte command
SlicesExtra/SliceGrow command
SlicesExtra/SliceMakeVsNew command
SlicesExtra/SliceSize command
SlicesExtra/SliceStorage command
addmethod command
chandrop command
constructors command
Examples for contructing types.
 Examples for contructing types.
embedlock command
encjson command
encxml command
errors command
exerciseslices command
forloop command
fromscratch command
gochanunbuf command
godebug command
Sample program to review scheduler stats.
 Sample program to review scheduler stats.
goroutine command
goroutineid command
grmillion command
grsize command
hello command
hellojp command
helloworld command
httprangereaderat command
$ go run main.go | wc -l 9252
 $ go run main.go | wc -l 9252
ifshort command
interfaces command
iointerfaces command
ioreader command
manygoroutines command
mapinit command
numcpu command
pingpong command
readerimpl command
rgba command
runevalue command
scratch command
sliceappend command
slicehello command
sliceindex command
sliceinit command
stringloop command
structembed command
structinit command
switch command
synccond command
testabs
timeout command
unicodeisletter command
vars command
waitgroup command
waitgroupfetch command
workerqueue command

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