mirror of
https://github.com/gravitational/teleport.git
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62 lines
1.5 KiB
Go
62 lines
1.5 KiB
Go
/*
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* Teleport
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* Copyright (C) 2023 Gravitational, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package utils
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import "sync"
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// SyncMap is a generics version of a sync.Map.
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type SyncMap[K comparable, V any] struct {
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values map[K]V
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mu sync.RWMutex
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}
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// Load returns the value stored in the map for a key.
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func (s *SyncMap[K, V]) Load(key K) (value V, ok bool) {
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s.mu.RLock()
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defer s.mu.RUnlock()
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if s.values == nil {
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return value, false
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}
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value, ok = s.values[key]
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return value, ok
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}
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// Store sets the value for a key.
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func (s *SyncMap[K, V]) Store(key K, value V) {
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s.mu.Lock()
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defer s.mu.Unlock()
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if s.values == nil {
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s.values = make(map[K]V)
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}
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s.values[key] = value
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}
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// Delete deletes the value for a key.
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func (s *SyncMap[K, V]) Delete(key K) {
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s.mu.Lock()
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defer s.mu.Unlock()
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if s.values == nil {
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return
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}
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delete(s.values, key)
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}
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