| // Copyright 2021 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. | |
| package p | |
| type Integer interface { | |
| ~int | ~int8 | ~int16 | ~int32 | ~int64 | | |
| ~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr | |
| } | |
| func shl[I Integer](n int) I { | |
| return 1 << n | |
| } |