82 lines
2.3 KiB
Go
82 lines
2.3 KiB
Go
// @generated Code generated by gen-atomicwrapper.
|
|
|
|
// Copyright (c) 2020-2021 Uber Technologies, Inc.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
// THE SOFTWARE.
|
|
|
|
package atomic
|
|
|
|
import (
|
|
"encoding/json"
|
|
)
|
|
|
|
// Bool is an atomic type-safe wrapper for bool values.
|
|
type Bool struct {
|
|
_ nocmp // disallow non-atomic comparison
|
|
|
|
v Uint32
|
|
}
|
|
|
|
var _zeroBool bool
|
|
|
|
// NewBool creates a new Bool.
|
|
func NewBool(val bool) *Bool {
|
|
x := &Bool{}
|
|
if val != _zeroBool {
|
|
x.Store(val)
|
|
}
|
|
return x
|
|
}
|
|
|
|
// Load atomically loads the wrapped bool.
|
|
func (x *Bool) Load() bool {
|
|
return truthy(x.v.Load())
|
|
}
|
|
|
|
// Store atomically stores the passed bool.
|
|
func (x *Bool) Store(val bool) {
|
|
x.v.Store(boolToInt(val))
|
|
}
|
|
|
|
// CAS is an atomic compare-and-swap for bool values.
|
|
func (x *Bool) CAS(old, new bool) (swapped bool) {
|
|
return x.v.CAS(boolToInt(old), boolToInt(new))
|
|
}
|
|
|
|
// Swap atomically stores the given bool and returns the old
|
|
// value.
|
|
func (x *Bool) Swap(val bool) (old bool) {
|
|
return truthy(x.v.Swap(boolToInt(val)))
|
|
}
|
|
|
|
// MarshalJSON encodes the wrapped bool into JSON.
|
|
func (x *Bool) MarshalJSON() ([]byte, error) {
|
|
return json.Marshal(x.Load())
|
|
}
|
|
|
|
// UnmarshalJSON decodes a bool from JSON.
|
|
func (x *Bool) UnmarshalJSON(b []byte) error {
|
|
var v bool
|
|
if err := json.Unmarshal(b, &v); err != nil {
|
|
return err
|
|
}
|
|
x.Store(v)
|
|
return nil
|
|
}
|