From b5ea095a3b52beb324705ea688fc3299dcfabc44 Mon Sep 17 00:00:00 2001
From: Mark Kremer <mail@markkremer.nl>
Date: Thu, 1 Aug 2024 19:45:21 +0200
Subject: [PATCH] Use Go 1.21 clear() function

---
 compositors.go        | 4 +---
 ctrl.go               | 4 +---
 generators/silence.go | 8 ++------
 mixer.go              | 4 +---
 streamers.go          | 4 +---
 5 files changed, 6 insertions(+), 18 deletions(-)

diff --git a/compositors.go b/compositors.go
index cf8a1bd..8dabdb8 100644
--- a/compositors.go
+++ b/compositors.go
@@ -102,9 +102,7 @@ func Mix(s ...Streamer) Streamer {
 			toStream := min(len(tmp), len(samples))
 
 			// clear the samples
-			for i := range samples[:toStream] {
-				samples[i] = [2]float64{}
-			}
+			clear(samples[:toStream])
 
 			snMax := 0 // max number of streamed samples in this iteration
 			for _, st := range s {
diff --git a/ctrl.go b/ctrl.go
index 6dc7e30..8ca1601 100644
--- a/ctrl.go
+++ b/ctrl.go
@@ -35,9 +35,7 @@ func (c *Ctrl) Stream(samples [][2]float64) (n int, ok bool) {
 		return 0, false
 	}
 	if c.Paused {
-		for i := range samples {
-			samples[i] = [2]float64{}
-		}
+		clear(samples)
 		return len(samples), true
 	}
 	return c.Streamer.Stream(samples)
diff --git a/generators/silence.go b/generators/silence.go
index 9c093d3..d36cea3 100644
--- a/generators/silence.go
+++ b/generators/silence.go
@@ -7,9 +7,7 @@ import "github.com/gopxl/beep"
 func Silence(num int) beep.Streamer {
 	if num < 0 {
 		return beep.StreamerFunc(func(samples [][2]float64) (m int, ok bool) {
-			for i := range samples {
-				samples[i] = [2]float64{}
-			}
+			clear(samples)
 			return len(samples), true
 		})
 	}
@@ -21,9 +19,7 @@ func Silence(num int) beep.Streamer {
 		if num < len(samples) {
 			samples = samples[:num]
 		}
-		for i := range samples {
-			samples[i] = [2]float64{}
-		}
+		clear(samples)
 		num -= len(samples)
 
 		return len(samples), true
diff --git a/mixer.go b/mixer.go
index 77df90e..341c205 100644
--- a/mixer.go
+++ b/mixer.go
@@ -30,9 +30,7 @@ func (m *Mixer) Stream(samples [][2]float64) (n int, ok bool) {
 		toStream := min(len(tmp), len(samples))
 
 		// clear the samples
-		for i := range samples[:toStream] {
-			samples[i] = [2]float64{}
-		}
+		clear(samples[:toStream])
 
 		for si := 0; si < len(m.streamers); si++ {
 			// mix the stream
diff --git a/streamers.go b/streamers.go
index 34b8e6b..888fdf4 100644
--- a/streamers.go
+++ b/streamers.go
@@ -12,9 +12,7 @@ func Silence(num int) Streamer {
 		if 0 < num && num < len(samples) {
 			samples = samples[:num]
 		}
-		for i := range samples {
-			samples[i] = [2]float64{}
-		}
+		clear(samples)
 		if num > 0 {
 			num -= len(samples)
 		}