doc: add comments (#64)

Signed-off-by: chenquan <chenquan.dev@gmail.com>
chenquan · Feb 11, 2022 · 1b4ab76 · 1b4ab76
1 parent 176f74b
commit 1b4ab76
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/xonce/once.go b/xonce/once.go
@@ -18,5 +18,6 @@ package xonce
 
 // Once represents an interface that can only be written too once.
 type Once interface {
+	// Write writes a v.
 	Write(v interface{}) (success bool)
 }