initial commit

each.go

@@ -0,0 +1,34 @@
+package channel
+
+import "sync"
+
+// Each consumes all values and calls f for each of them.
+// It blocks until source is closed
+func Each[T any](source <-chan T, f func(T)) {
+	EachWithRunner(source, getDefaultRunner(), f)
+}
+
+// Each consumes all values and calls f for each of them.
+// It blocks until source is closed
+func EachWithRunner[T any](source <-chan T, runner Runner, f func(T)) {
+	wg := &sync.WaitGroup{}
+
+	for value := range source {
+		value := value
+		wg.Add(1)
+		runner.Run(func() {
+			defer wg.Done()
+			f(value)
+		})
+	}
+
+	wg.Wait()
+}
+
+// EachSuccessive consumes all values and calls f for each of them.
+// It blocks until source is closed
+func EachSuccessive[T any](source <-chan T, f func(T)) {
+	for value := range source {
+		f(value)
+	}
+}