22 lines
380 B
Go
22 lines
380 B
Go
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package gls
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import (
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"sync"
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)
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var (
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keyMtx sync.Mutex
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keyCounter uint64
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)
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// ContextKey is a throwaway value you can use as a key to a ContextManager
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type ContextKey struct{ id uint64 }
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// GenSym will return a brand new, never-before-used ContextKey
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func GenSym() ContextKey {
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keyMtx.Lock()
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defer keyMtx.Unlock()
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keyCounter += 1
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return ContextKey{id: keyCounter}
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}
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