46 lines
512 B
Go
46 lines
512 B
Go
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package main
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func main() {
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send()
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recv()
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}
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func send() {
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ch1 := make(chan int)
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ch2 := make(chan int)
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go func() {
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println(<-ch1)
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}()
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go func() {
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println(<-ch2)
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}()
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select {
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case ch1 <- 100:
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case ch2 <- 200:
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}
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}
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func recv() {
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c1 := make(chan string)
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c2 := make(chan string)
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go func() {
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c1 <- "ch1"
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}()
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go func() {
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c2 <- "ch2"
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}()
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for i := 0; i < 2; i++ {
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select {
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case msg1 := <-c1:
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println(msg1)
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case msg2 := <-c2:
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println(msg2)
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default:
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println("exit")
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}
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}
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}
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