go tour --Channels 涓?Buffered Channels

Posted 2020-12-18

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閫氶亾鎿嶄綔绗?/p>

ch <- v    // Send v to channel ch.
v := <-ch  // Receive from ch, and
           // assign value to v.

鏃犵紦鍐查€氶亾

ch := make(chan int)

鏈夌紦鍐查€氶亾

ch := make(chan int, 100)

鍙戦€佹柟鍙互鍏抽棴閫氶亾浠ユ寚绀轰笉鍐嶅彂閫佸€?/p>

close(c)

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v, ok := <-ch

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 for i := range c

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package main

import (
	"fmt"
)

func fibonacci(n int, c chan int) {
	x, y := 0, 1
	for i := 0; i < n; i++ {
		c <- x
		x, y = y, x+y
	}
	close(c)
}

func main() {
	c := make(chan int, 10)
	go fibonacci(cap(c), c)
	for i := range c {
		fmt.Println(i)
	}
}