2015-devnation: copying devconf talk

2015/06-devnation-golang-good-bad-ugly/primitive3.go

@@ -0,0 +1,37 @@
+// +build ignore
+
+package main
+
+import "fmt"
+
+func main() {
+	// START1 OMIT
+	fmt.Println("I've got:")
+	for card := range ReadEmAndWeep() {
+		fmt.Printf(" %s of %s\n", card.Value, card.Suite)
+	}
+	// STOP1 OMIT
+}
+
+type Card struct {
+	Suite, Value string
+}
+
+// START2 OMIT
+func ReadEmAndWeep() <-chan Card {
+	c := make(chan Card)
+	go func() {
+		for _, card := range []Card{
+			Card{"Ace", "Jack"},
+			Card{"Ace", "Queen"},
+			Card{"Ace", "King"},
+			Card{"Ace", "Ace"},
+		} {
+			c <- card
+		}
+		close(c)
+	}()
+	return c
+}
+
+// STOP2 OMIT