func bytes.TrimRightFunc

3 uses

	bytes (current package)
		bytes.go#L865: func TrimRightFunc(s []byte, f func(r rune) bool) []byte {
		bytes.go#L879: 	return TrimRightFunc(TrimLeftFunc(s, f), f)

	mime/quotedprintable
		reader.go#L94: 			r.line = bytes.TrimRightFunc(wholeLine, isQPDiscardWhitespace)