use go 1.12

Signed-off-by: hongming <talonwan@yunify.com>

vendor/go.uber.org/atomic/atomic.go

@@ -25,7 +25,6 @@ package atomic
 import (
 	"math"
 	"sync/atomic"
-	"time"
 )
 
 // Int32 is an atomic wrapper around an int32.
@@ -233,11 +232,6 @@ func (b *Bool) Load() bool {
 	return truthy(atomic.LoadUint32(&b.v))
 }
 
-// CAS is an atomic compare-and-swap.
-func (b *Bool) CAS(old, new bool) bool {
-	return atomic.CompareAndSwapUint32(&b.v, boolToInt(old), boolToInt(new))
-}
-
 // Store atomically stores the passed value.
 func (b *Bool) Store(new bool) {
 	atomic.StoreUint32(&b.v, boolToInt(new))
@@ -305,47 +299,6 @@ func (f *Float64) CAS(old, new float64) bool {
 	return atomic.CompareAndSwapUint64(&f.v, math.Float64bits(old), math.Float64bits(new))
 }
 
-// Duration is an atomic wrapper around time.Duration
-// https://godoc.org/time#Duration
-type Duration struct {
-	v Int64
-}
-
-// NewDuration creates a Duration.
-func NewDuration(d time.Duration) *Duration {
-	return &Duration{v: *NewInt64(int64(d))}
-}
-
-// Load atomically loads the wrapped value.
-func (d *Duration) Load() time.Duration {
-	return time.Duration(d.v.Load())
-}
-
-// Store atomically stores the passed value.
-func (d *Duration) Store(n time.Duration) {
-	d.v.Store(int64(n))
-}
-
-// Add atomically adds to the wrapped time.Duration and returns the new value.
-func (d *Duration) Add(n time.Duration) time.Duration {
-	return time.Duration(d.v.Add(int64(n)))
-}
-
-// Sub atomically subtracts from the wrapped time.Duration and returns the new value.
-func (d *Duration) Sub(n time.Duration) time.Duration {
-	return time.Duration(d.v.Sub(int64(n)))
-}
-
-// Swap atomically swaps the wrapped time.Duration and returns the old value.
-func (d *Duration) Swap(n time.Duration) time.Duration {
-	return time.Duration(d.v.Swap(int64(n)))
-}
-
-// CAS is an atomic compare-and-swap.
-func (d *Duration) CAS(old, new time.Duration) bool {
-	return d.v.CAS(int64(old), int64(new))
-}
-
 // Value shadows the type of the same name from sync/atomic
 // https://godoc.org/sync/atomic#Value
 type Value struct{ atomic.Value }