a91d00fd94
actors.go is my attempt to better understand golang's channels. I'm mapping my understanding of concurrency from my experience with Elixir / Erlang and actors onto golang until I have more opinions.
45 lines
780 B
Go
45 lines
780 B
Go
package main
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import (
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"bufio"
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"fmt"
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"os"
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)
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// Call function `f` in a go-routine, passing a reference to a newly created
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// channel, `c`, as its only argument. Return a reference to `c` to the caller
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// of `act`. When `f` halts, close the channel.
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func act(f func(chan interface{})) chan interface{} {
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c := make(chan interface{})
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go func() {
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defer close(c)
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f(c)
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}()
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return c
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}
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func prompt(msg string) string {
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reader := bufio.NewReader(os.Stdin)
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fmt.Print(msg)
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text, _ := reader.ReadString('\n')
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// TODO: Trim trailing newline from the rhs of text.
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return text
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}
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func main() {
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c := act(func(c chan interface{}) {
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for {
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x := <-c
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fmt.Printf("[A] Received value: %v\n", x)
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}
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})
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for {
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x := prompt("[B] Enter a value: ")
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c <- x
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}
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os.Exit(0)
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}
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