reverse the arguments to io.Copy so the destination is on the
left, like an assignment, like strcpy, etc.
R=rsc
CC=go-dev
http://go/go-review/1016011
diff --git a/src/pkg/io/io.go b/src/pkg/io/io.go
index 286ca69..50b0873 100644
--- a/src/pkg/io/io.go
+++ b/src/pkg/io/io.go
@@ -179,7 +179,7 @@
// Copyn copies n bytes (or until an error) from src to dst.
// It returns the number of bytes copied and the error, if any.
-func Copyn(src Reader, dst Writer, n int64) (written int64, err os.Error) {
+func Copyn(dst Writer, src Reader, n int64) (written int64, err os.Error) {
buf := make([]byte, 32*1024);
for written < n {
l := len(buf);
@@ -212,7 +212,7 @@
// Copy copies from src to dst until either EOF is reached
// on src or an error occurs. It returns the number of bytes
// copied and the error, if any.
-func Copy(src Reader, dst Writer) (written int64, err os.Error) {
+func Copy(dst Writer, src Reader) (written int64, err os.Error) {
buf := make([]byte, 32*1024);
for {
nr, er := src.Read(buf);
