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32 lines
560 B
Go
32 lines
560 B
Go
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package hyphae
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import (
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"sync"
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)
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// Its value is number of all existing hyphae. Hypha mutators are expected to manipulate the value. It is concurrent-safe.
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var count = struct {
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value int
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sync.Mutex
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}{}
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// Increment the value of hyphae count.
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func IncrementCount() {
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count.Lock()
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count.value++
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count.Unlock()
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}
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// Decrement the value of hyphae count.
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func DecrementCount() {
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count.Lock()
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count.value--
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count.Unlock()
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}
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// Count how many hyphae there are.
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func Count() int {
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// it is concurrent-safe to not lock here, right?
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return count.value
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}
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