func bytes.TrimRightFunc

4 uses

	bytes (current package)
		bytes.go#L779: func TrimRightFunc(s []byte, f func(r rune) bool) []byte {
		bytes.go#L793: 	return TrimRightFunc(TrimLeftFunc(s, f), f)
		bytes.go#L926: 	return TrimRightFunc(s, makeCutsetFunc(cutset))

	mime/quotedprintable
		reader.go#L93: 			r.line = bytes.TrimRightFunc(wholeLine, isQPDiscardWhitespace)