/
bool.go
69 lines (58 loc) · 1.05 KB
/
bool.go
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package atomickit
import (
"strconv"
"sync/atomic"
)
func NewBool(initValue bool) Bool {
if initValue {
return Bool{1}
}
return Bool{}
}
type Bool struct {
v uint32
}
func (p *Bool) Load() bool {
return atomic.LoadUint32(&p.v) != 0
}
func (p *Bool) Store(v bool) {
if v {
atomic.StoreUint32(&p.v, 1)
} else {
atomic.StoreUint32(&p.v, 0)
}
}
func (p *Bool) Set() {
atomic.StoreUint32(&p.v, 1)
}
func (p *Bool) Unset() {
atomic.StoreUint32(&p.v, 0)
}
func (p *Bool) Swap(v bool) bool {
if v {
return atomic.SwapUint32(&p.v, 1) != 0
}
return atomic.SwapUint32(&p.v, 0) != 0
}
func (p *Bool) CompareAndFlip(old bool) bool {
if old {
return atomic.CompareAndSwapUint32(&p.v, 1, 0)
}
return atomic.CompareAndSwapUint32(&p.v, 0, 1)
}
func (p *Bool) Flip() bool {
for v := atomic.LoadUint32(&p.v);; {
if v != 0 {
if atomic.CompareAndSwapUint32(&p.v, v, 0) {
return false
}
} else {
if atomic.CompareAndSwapUint32(&p.v, 0, 1) {
return true
}
}
}
}
func (p *Bool) String() string {
return strconv.FormatBool(p.Load())
}