closer

package

v0.0.0-...-06de07e Latest Latest Go to latest Published: Jun 19, 2019 License: MIT Imports: 1 Imported by: 8

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Tagged version

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Stable version

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Emit a close function only once, also if called multiple times. This implementation is thread-safe.

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type Closer struct {
	// Channel which is closed if the closer is closed.
	IsClosedChan chan struct{}
	// contains filtered or unexported fields
}

func New(f func()) *Closer

New creates a new closer. The passed function is emitted only once, as soon close is called.

func (c *Closer) Close()

Close calls the function and sets the IsClosed boolean.

func (c *Closer) IsClosed() bool

IsClosed returns a boolean whenever this closer is already closed.