encoding/csv: remove unused unreadRune function

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/37720046

diff --git a/src/pkg/encoding/csv/reader.go b/src/pkg/encoding/csv/reader.go
index b328dcc375cd7cccf8f680540fe34cc01c791be8..d9432954ac9d6ec7e92c547971d2f5e5e1593dd0 100644 (file)
--- a/src/pkg/encoding/csv/reader.go
+++ b/src/pkg/encoding/csv/reader.go
@@ -193,12 +193,6 @@ func (r *Reader) readRune() (rune, error) {
        return r1, err
 }
 
-// unreadRune puts the last rune read from r back.
-func (r *Reader) unreadRune() {
-       r.r.UnreadRune()
-       r.column--
-}
-
 // skip reads runes up to and including the rune delim or until error.
 func (r *Reader) skip(delim rune) error {
        for {