mirror of
https://github.com/nabbar/golib.git
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a5845082c9
- new package to simplify usage of atomic.Value & sync map by using generic struct/interface with cast - add generic function to cast model
84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
/*
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* MIT License
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*
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* Copyright (c) 2024 Nicolas JUHEL
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*
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*/
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package atomic
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import (
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"sync"
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)
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type ma[K comparable] struct {
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m sync.Map
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}
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func (o *ma[K]) Load(key K) (value any, ok bool) {
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return o.m.Load(key)
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}
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func (o *ma[K]) Store(key K, value any) {
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o.m.Store(key, value)
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}
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func (o *ma[K]) LoadOrStore(key K, value any) (actual any, loaded bool) {
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return o.m.LoadOrStore(key, value)
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}
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func (o *ma[K]) LoadAndDelete(key K) (value any, loaded bool) {
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return o.m.LoadAndDelete(key)
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}
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func (o *ma[K]) Delete(key K) {
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o.m.Delete(key)
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}
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func (o *ma[K]) Swap(key K, value any) (previous any, loaded bool) {
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return o.m.Swap(key, value)
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}
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func (o *ma[K]) CompareAndSwap(key K, old, new any) bool {
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return o.m.CompareAndSwap(key, old, new)
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}
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func (o *ma[K]) CompareAndDelete(key K, old any) (deleted bool) {
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return o.m.CompareAndDelete(key, old)
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}
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func (o *ma[K]) Range(f func(key K, value any) bool) {
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o.m.Range(func(key, value any) bool {
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var (
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l bool
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k K
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)
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if k, l = Cast[K](key); !l {
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o.m.Delete(key)
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return true
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}
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return f(k, value)
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})
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}
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