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34 lines
642 B
34 lines
642 B
4 years ago
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//+build !go1.9
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package concurrent
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import "sync"
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// Map implements a thread safe map for go version below 1.9 using mutex
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type Map struct {
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lock sync.RWMutex
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data map[interface{}]interface{}
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}
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// NewMap creates a thread safe map
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func NewMap() *Map {
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return &Map{
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data: make(map[interface{}]interface{}, 32),
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}
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}
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// Load is same as sync.Map Load
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func (m *Map) Load(key interface{}) (elem interface{}, found bool) {
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m.lock.RLock()
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elem, found = m.data[key]
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m.lock.RUnlock()
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return
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}
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// Load is same as sync.Map Store
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func (m *Map) Store(key interface{}, elem interface{}) {
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m.lock.Lock()
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m.data[key] = elem
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m.lock.Unlock()
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}
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