Summary
The select statement in Go allows users to wait for multiple send or receive operations simultaneously, with the option to choose a random case among them.
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Combining goroutines and channels with select is a powerful feature of Go.
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It can also be used to block operations on a nil channel, and the function time.After can be used to wait for a specified time to elapse and then send the current time on the returned channel.
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The select statement is typically used at the end of the main function in some multithreaded programs, where the program exits without waiting for other goroutines to complete.
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The select statement is used to choose from multiple send/receive channel operations.
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Summary
Combining goroutines and channels with select is a powerful feature of Go.
import ( "fmt" "time" )
For our example we’ll select across two channels.
c1 := make ( chan string ) c2 := make ( chan string )
Each channel will receive a value after some amount of time, to simulate e.g. blocking
Go by Example: Select
gobyexample.com
Summary
The select statement in Go allows users to wait for multiple send or receive operations simultaneously, with the option to choose a random case among them. It can also be used to block operations on a nil channel, and the function time.After can be used to wait for a specified time to elapse and then send the current time on the returned channel. The select statement is typically used at the end of the main function in some multithreaded programs, where the program exits without waiting for other goroutines to complete.
Select waits on a group of channels · YourBasic Go
yourbasic.org
Select The select statement lets a goroutine wait on multiple communication operations.
A Tour of Go
go.dev
The select statement allows us to execute a channel among many alternatives. In this tutorial, you will learn about Golang select with the help of examples.
Go select (With Examples)
programiz.com
Go 's select operation looks similar to switch , but it's dedicated to poll send and receive operations channels. Check the following example:
Select operation · golang-101-hacks
gitbooks.io
