initial commit

chan_io.go

@@ -0,0 +1,32 @@
+package channel
+
+import (
+	"fmt"
+	"io"
+	"time"
+)
+
+// WriteInto writes all given values into the channel ch.
+// Is is a shorthand for Forward(ch, AsChan(values...))
+func WriteInto[T any](ch chan<- T, values ...T) {
+	Forward(ch, Of(values...))
+}
+
+// WriteIntoDelayed writes all given values into the channel ch.
+// It sleeps after every write for the given amount of time.
+// It is a shorthand for Forward(ch, AsChanDelayed(time, values...))
+func WriteIntoDelayed[T any](ch chan<- T, delay time.Duration, values ...T) {
+	Forward(ch, OfDelayed(delay, values...))
+}
+
+// WriteIntoWriter reads all values from ch and writes them via fmt.Fprintln to all writers
+func WriteIntoWriter[T any](ch <-chan T, writers ...io.Writer) {
+	w := io.MultiWriter(writers...)
+	EachSuccessive(ch, func(value T) {
+		if err, ok := any(value).(error); ok {
+			fmt.Fprintln(w, err.Error())
+			return
+		}
+		fmt.Fprintln(w, value)
+	})
+}