Go (golang) Tutorials - Buffered Channels

Published: 14 April 2018
on channel: Ambasoft Java

1,735

#golang #go #concurrency #channels

Concurrency - Buffered Channels
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= Similar to regular channels but they have some buffer size to store values
= The channel send operations will remain un blocking until the buffer slots are available
= Once the buffer slots got filled up, then the send channels will be blocking as usual

bufdemo.go
-----------
package main
import "fmt"
func main(){
//There is no wait/sleep operation in main go routine
channel:=make(chan int, 2) //Create a buffered channel of capacity 2
channel(arrow operator)10 //Sending two values to the channel
channel(arrow operator)20
//channel(arrow operator)30
fmt.Printf("%d\n",len(channel))
fmt.Printf("%d\n",(arrow operator)channel)
fmt.Printf("%d\n",len(channel))
fmt.Printf("%d\n",(arrow operator)channel) //Receiving two values from the channel
fmt.Printf("%d\n",cap(channel))
}

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