From 3e7217cb86a55e04d4867db69e9a71d927e4116a Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Fri, 12 Mar 2021 00:26:38 +0900
Subject: [PATCH] internal/atlas: Add comments to moveTo

---
 internal/atlas/image.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/internal/atlas/image.go b/internal/atlas/image.go
index b753e3603..0d2147d3a 100644
--- a/internal/atlas/image.go
+++ b/internal/atlas/image.go
@@ -193,6 +193,10 @@ type Image struct {
 	isolatedCount int
 }
 
+// moveTo moves its content to the given image dst.
+// After moveTo is called, the image i is no longer available.
+//
+// moveTo is smilar to C++'s move semantics.
 func (i *Image) moveTo(dst *Image) {
 	dst.dispose(false)
 	*dst = *i