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Diffstat (limited to '')
-rw-r--r-- | dependencies/pkg/mod/go.uber.org/atomic@v1.7.0/uint32.go | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/go.uber.org/atomic@v1.7.0/uint32.go b/dependencies/pkg/mod/go.uber.org/atomic@v1.7.0/uint32.go new file mode 100644 index 0000000..a973aba --- /dev/null +++ b/dependencies/pkg/mod/go.uber.org/atomic@v1.7.0/uint32.go @@ -0,0 +1,102 @@ +// @generated Code generated by gen-atomicint. + +// Copyright (c) 2020 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" + "strconv" + "sync/atomic" +) + +// Uint32 is an atomic wrapper around uint32. +type Uint32 struct { + _ nocmp // disallow non-atomic comparison + + v uint32 +} + +// NewUint32 creates a new Uint32. +func NewUint32(i uint32) *Uint32 { + return &Uint32{v: i} +} + +// Load atomically loads the wrapped value. +func (i *Uint32) Load() uint32 { + return atomic.LoadUint32(&i.v) +} + +// Add atomically adds to the wrapped uint32 and returns the new value. +func (i *Uint32) Add(n uint32) uint32 { + return atomic.AddUint32(&i.v, n) +} + +// Sub atomically subtracts from the wrapped uint32 and returns the new value. +func (i *Uint32) Sub(n uint32) uint32 { + return atomic.AddUint32(&i.v, ^(n - 1)) +} + +// Inc atomically increments the wrapped uint32 and returns the new value. +func (i *Uint32) Inc() uint32 { + return i.Add(1) +} + +// Dec atomically decrements the wrapped uint32 and returns the new value. +func (i *Uint32) Dec() uint32 { + return i.Sub(1) +} + +// CAS is an atomic compare-and-swap. +func (i *Uint32) CAS(old, new uint32) bool { + return atomic.CompareAndSwapUint32(&i.v, old, new) +} + +// Store atomically stores the passed value. +func (i *Uint32) Store(n uint32) { + atomic.StoreUint32(&i.v, n) +} + +// Swap atomically swaps the wrapped uint32 and returns the old value. +func (i *Uint32) Swap(n uint32) uint32 { + return atomic.SwapUint32(&i.v, n) +} + +// MarshalJSON encodes the wrapped uint32 into JSON. +func (i *Uint32) MarshalJSON() ([]byte, error) { + return json.Marshal(i.Load()) +} + +// UnmarshalJSON decodes JSON into the wrapped uint32. +func (i *Uint32) UnmarshalJSON(b []byte) error { + var v uint32 + if err := json.Unmarshal(b, &v); err != nil { + return err + } + i.Store(v) + return nil +} + +// String encodes the wrapped value as a string. +func (i *Uint32) String() string { + v := i.Load() + return strconv.FormatUint(uint64(v), 10) +} |