1// @generated Code generated by gen-atomicwrapper. 2 3// Copyright (c) 2020-2021 Uber Technologies, Inc. 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 23package atomic 24 25// Error is an atomic type-safe wrapper for error values. 26type Error struct { 27 _ nocmp // disallow non-atomic comparison 28 29 v Value 30} 31 32var _zeroError error 33 34// NewError creates a new Error. 35func NewError(val error) *Error { 36 x := &Error{} 37 if val != _zeroError { 38 x.Store(val) 39 } 40 return x 41} 42 43// Load atomically loads the wrapped error. 44func (x *Error) Load() error { 45 return unpackError(x.v.Load()) 46} 47 48// Store atomically stores the passed error. 49func (x *Error) Store(val error) { 50 x.v.Store(packError(val)) 51} 52