David K. Bainbridge | 0663189 | 2021-08-19 13:07:00 +0000 | [diff] [blame] | 1 | // @generated Code generated by gen-atomicwrapper. |
| 2 | |
| 3 | // Copyright (c) 2020 Uber Technologies, Inc. |
Matteo Scandolo | a428586 | 2020-12-01 18:10:10 -0800 | [diff] [blame] | 4 | // |
| 5 | // Permission is hereby granted, free of charge, to any person obtaining a copy |
| 6 | // of this software and associated documentation files (the "Software"), to deal |
| 7 | // in the Software without restriction, including without limitation the rights |
| 8 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 9 | // copies of the Software, and to permit persons to whom the Software is |
| 10 | // furnished to do so, subject to the following conditions: |
| 11 | // |
| 12 | // The above copyright notice and this permission notice shall be included in |
| 13 | // all copies or substantial portions of the Software. |
| 14 | // |
| 15 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 18 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 19 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 20 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 21 | // THE SOFTWARE. |
| 22 | |
| 23 | package atomic |
| 24 | |
David K. Bainbridge | 0663189 | 2021-08-19 13:07:00 +0000 | [diff] [blame] | 25 | // Error is an atomic type-safe wrapper for error values. |
| 26 | type Error struct { |
| 27 | _ nocmp // disallow non-atomic comparison |
Matteo Scandolo | a428586 | 2020-12-01 18:10:10 -0800 | [diff] [blame] | 28 | |
David K. Bainbridge | 0663189 | 2021-08-19 13:07:00 +0000 | [diff] [blame] | 29 | v Value |
Matteo Scandolo | a428586 | 2020-12-01 18:10:10 -0800 | [diff] [blame] | 30 | } |
| 31 | |
David K. Bainbridge | 0663189 | 2021-08-19 13:07:00 +0000 | [diff] [blame] | 32 | var _zeroError error |
Matteo Scandolo | a428586 | 2020-12-01 18:10:10 -0800 | [diff] [blame] | 33 | |
David K. Bainbridge | 0663189 | 2021-08-19 13:07:00 +0000 | [diff] [blame] | 34 | // NewError creates a new Error. |
| 35 | func NewError(v error) *Error { |
| 36 | x := &Error{} |
| 37 | if v != _zeroError { |
| 38 | x.Store(v) |
| 39 | } |
| 40 | return x |
Matteo Scandolo | a428586 | 2020-12-01 18:10:10 -0800 | [diff] [blame] | 41 | } |
| 42 | |
David K. Bainbridge | 0663189 | 2021-08-19 13:07:00 +0000 | [diff] [blame] | 43 | // Load atomically loads the wrapped error. |
| 44 | func (x *Error) Load() error { |
| 45 | return unpackError(x.v.Load()) |
| 46 | } |
| 47 | |
| 48 | // Store atomically stores the passed error. |
| 49 | func (x *Error) Store(v error) { |
| 50 | x.v.Store(packError(v)) |
Matteo Scandolo | a428586 | 2020-12-01 18:10:10 -0800 | [diff] [blame] | 51 | } |