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ABool 💡
Atomic Boolean library for Go, optimized for performance yet simple to use.
Use this for cleaner code.
Usage
import "github.com/tevino/abool"
cond := abool.New() // default to false
cond.Set() // Set to true
cond.IsSet() // Returns true
cond.UnSet() // Set to false
cond.SetTo(true) // Set to whatever you want
cond.SetToIf(false, true) // Set to true if it is false, returns false(not set)
// embedding
type Foo struct {
cond *abool.AtomicBool // always use pointer to avoid copy
}Benchmark:
- Go 1.6.2
- OS X 10.11.4
# Read
BenchmarkMutexRead-4 100000000 21.0 ns/op
BenchmarkAtomicValueRead-4 200000000 6.30 ns/op
BenchmarkAtomicBoolRead-4 300000000 4.21 ns/op # <--- This package
# Write
BenchmarkMutexWrite-4 100000000 21.6 ns/op
BenchmarkAtomicValueWrite-4 30000000 43.4 ns/op
BenchmarkAtomicBoolWrite-4 200000000 9.87 ns/op # <--- This package
# CAS
BenchmarkMutexCAS-4 30000000 44.9 ns/op
BenchmarkAtomicBoolCAS-4 100000000 11.7 ns/op # <--- This package