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27 lines
733 B
Go
27 lines
733 B
Go
// _Channels_ are the pipes that connect concurrent
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// goroutines. You can send values into channels from one
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// goroutine and receive those values into another
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// goroutine.
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package main
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import "fmt"
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func main() {
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// Create a new channel with `make(chan val-type)`.
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// Channels are typed by the values they convey.
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messages := make(chan string)
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// _Send_ a value into a channel using the `channel <-`
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// syntax. Here we send `"ping"` to the `messages`
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// channel we made above, from a new goroutine.
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go func() { messages <- "ping" }()
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// The `<-channel` syntax _receives_ a value from the
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// channel. Here we'll receive the `"ping"` message
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// we sent above and print it out.
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msg := <-messages
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fmt.Println(msg)
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}
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