32 lines
398 B
Go
32 lines
398 B
Go
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package synconce
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import "sync"
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var cache sync.Map
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type result struct{}
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func do(key string) *result { return new(result) }
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type entry struct {
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res *result
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sync.Once
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}
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func get(key string) *result {
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myEntry := &entry{}
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old, loaded := cache.LoadOrStore(key, myEntry)
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if loaded {
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myEntry = old.(*entry)
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}
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myEntry.Do(func() {
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myEntry.res = do(key)
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})
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return myEntry.res
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}
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// OMIT
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