44 строки
902 Б
Go
44 строки
902 Б
Go
package sync
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// This file implements just enough of sync.Map to get packages to compile. It
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// is no more efficient than a map with a lock.
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type Map struct {
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lock Mutex
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m map[interface{}]interface{}
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}
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func (m *Map) Delete(key interface{}) {
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m.lock.Lock()
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defer m.lock.Unlock()
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delete(m.m, key)
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}
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func (m *Map) Load(key interface{}) (value interface{}, ok bool) {
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m.lock.Lock()
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defer m.lock.Unlock()
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value, ok = m.m[key]
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return
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}
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func (m *Map) LoadOrStore(key, value interface{}) (actual interface{}, loaded bool) {
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m.lock.Lock()
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defer m.lock.Unlock()
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if m.m == nil {
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m.m = make(map[interface{}]interface{})
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}
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if existing, ok := m.m[key]; ok {
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return existing, true
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}
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m.m[key] = value
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return value, false
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}
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func (m *Map) Store(key, value interface{}) {
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m.lock.Lock()
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defer m.lock.Unlock()
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if m.m == nil {
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m.m = make(map[interface{}]interface{})
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}
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m.m[key] = value
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}
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