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authorVincent Ambo <mail@tazj.in>2021-12-13T22·51+0300
committerVincent Ambo <mail@tazj.in>2021-12-13T23·15+0300
commit019f8fd2113df4c5247c3969c60fd4f0e08f91f7 (patch)
tree76a857f61aa88f62a30e854651e8439db77fd0ea /users/wpcarro/go/actors.go
parent464bbcb15c09813172c79820bcf526bb10cf4208 (diff)
parent6123e976928ca3d8d93f0b2006b10b5f659eb74d (diff)
subtree(users/wpcarro): docking briefcase at '24f5a642' r/3226
git-subtree-dir: users/wpcarro
git-subtree-mainline: 464bbcb15c09813172c79820bcf526bb10cf4208
git-subtree-split: 24f5a642af3aa1627bbff977f0a101907a02c69f
Change-Id: I6105b3762b79126b3488359c95978cadb3efa789
Diffstat (limited to 'users/wpcarro/go/actors.go')
-rw-r--r--users/wpcarro/go/actors.go45
1 files changed, 45 insertions, 0 deletions
diff --git a/users/wpcarro/go/actors.go b/users/wpcarro/go/actors.go
new file mode 100644
index 000000000000..1409db185e84
--- /dev/null
+++ b/users/wpcarro/go/actors.go
@@ -0,0 +1,45 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+)
+
+// Call function `f` in a go-routine, passing a reference to a newly created
+// channel, `c`, as its only argument. Return a reference to `c` to the caller
+// of `act`. When `f` halts, close the channel.
+func act(f func(chan interface{})) chan interface{} {
+	c := make(chan interface{})
+
+	go func() {
+		defer close(c)
+		f(c)
+	}()
+
+	return c
+}
+
+func prompt(msg string) string {
+	reader := bufio.NewReader(os.Stdin)
+	fmt.Print(msg)
+	text, _ := reader.ReadString('\n')
+	// TODO: Trim trailing newline from the rhs of text.
+	return text
+}
+
+func main() {
+	c := act(func(c chan interface{}) {
+		for {
+			x := <-c
+			fmt.Printf("[A] Received value: %v\n", x)
+
+		}
+	})
+
+	for {
+		x := prompt("[B] Enter a value: ")
+		c <- x
+	}
+	os.Exit(0)
+}