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25 lines
437 B
25 lines
437 B
package render
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import "sync"
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// rwLock represents an interface for sync.RWMutex.
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type rwLock interface {
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Lock()
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Unlock()
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RLock()
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RUnlock()
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}
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var (
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// Ensure our interface is correct.
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_ rwLock = &sync.RWMutex{}
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_ rwLock = emptyLock{}
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)
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// emptyLock is a noop RWLock implementation.
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type emptyLock struct{}
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func (emptyLock) Lock() {}
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func (emptyLock) Unlock() {}
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func (emptyLock) RLock() {}
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func (emptyLock) RUnlock() {}
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