24 lines
540 B
Go
24 lines
540 B
Go
// specify if a channel is meant to only send or receive values
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package main
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import "fmt"
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// ping function only accepts a channel for sending values
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func ping(pings chan<- string, msg string) {
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pings <- msg
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}
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// pong function accepts one channel for receives (pings) and a second for sends (pongs)
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func pong(pings <-chan string, pongs chan<- string) {
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msg := <-pings
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pongs <- msg
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}
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func main() {
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pings := make(chan string, 1)
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pongs := make(chan string, 1)
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ping(pings, "passed message")
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pong(pings, pongs)
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fmt.Println(<-pongs)
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}
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