golang shift 代码
文件路径：/src/cmd/vet/testdata/shift/shift.go
/ Copyright 2014 The Go Authors. All rights reserved.
/ Use of this source code is governed by a BSD-style
/ license that can be found in the LICENSE file.
/ This file contains tests for the suspicious shift checker.
package shift
func ShiftTest() {
var i8 int8
_ = i8 << 7
_ = (i8 + 1) << 8 / ERROR ".i8 . 1. .8 bits. too small for shift of 8"
}