Method References

usagepool.go:201–212

References returns the number of references (count of usages) to a key in the pool, and true if the key exists, or false otherwise.

(key any)

// References returns the number of references (count of usages) to a
// key in the pool, and true if the key exists, or false otherwise.
func (up *UsagePool) References(key any) (int, bool) {
	up.RLock()
	upv, loaded := up.pool[key]
	up.RUnlock()
	if loaded {
		// I wonder if it'd be safer to read this value during
		// our lock on the UsagePool... guess we'll see...
		refs := upv.refs.Load()
		return int(refs), true
	}
	return 0, false
}

// Constructor is a function that returns a new value
// that can destruct itself when it is no longer needed.