Fix documentation typo.
This is really insignificant, but it might as well be fixed.
R=golang-dev, brainman
CC=golang-dev
https://golang.org/cl/3832045
diff --git a/src/pkg/io/io.go b/src/pkg/io/io.go
index 2b2f4d5..fa1c0d2 100644
--- a/src/pkg/io/io.go
+++ b/src/pkg/io/io.go
@@ -203,7 +203,7 @@
// If dst implements the ReaderFrom interface,
// the copy is implemented by calling dst.ReadFrom(src).
func Copyn(dst Writer, src Reader, n int64) (written int64, err os.Error) {
- // If the writer has a ReadFrom method, use it to to do the copy.
+ // If the writer has a ReadFrom method, use it to do the copy.
// Avoids a buffer allocation and a copy.
if rt, ok := dst.(ReaderFrom); ok {
return rt.ReadFrom(LimitReader(src, n))
@@ -246,12 +246,12 @@
// Otherwise, if src implements the WriterTo interface,
// the copy is implemented by calling src.WriteTo(dst).
func Copy(dst Writer, src Reader) (written int64, err os.Error) {
- // If the writer has a ReadFrom method, use it to to do the copy.
+ // If the writer has a ReadFrom method, use it to do the copy.
// Avoids an allocation and a copy.
if rt, ok := dst.(ReaderFrom); ok {
return rt.ReadFrom(src)
}
- // Similarly, if the reader has a WriteTo method, use it to to do the copy.
+ // Similarly, if the reader has a WriteTo method, use it to do the copy.
if wt, ok := src.(WriterTo); ok {
return wt.WriteTo(dst)
}