| // Copyright 2018 The Fuchsia 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 filter |
| |
| type seqnum uint32 |
| |
| func (a seqnum) LessThan(b seqnum) bool { |
| return int32(a-b) < 0 |
| } |
| |
| func (a seqnum) LessThanEq(b seqnum) bool { |
| return int32(a-b) <= 0 |
| } |
| |
| func (a seqnum) GreaterThan(b seqnum) bool { |
| return int(a-b) > 0 |
| } |
| |
| func (a seqnum) GreaterThanEq(b seqnum) bool { |
| return int(a-b) >= 0 |
| } |
| |
| func (a seqnum) Add(b uint32) seqnum { |
| return a + seqnum(b) |
| } |
| |
| func (a seqnum) Sub(b uint32) seqnum { |
| return a - seqnum(b) |
| } |
