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go-zero/core/syncx/donechan.go

29 lines
373 B
Go

package syncx
import (
"sync"
"zero/core/lang"
)
type DoneChan struct {
done chan lang.PlaceholderType
once sync.Once
}
func NewDoneChan() *DoneChan {
return &DoneChan{
done: make(chan lang.PlaceholderType),
}
}
func (dc *DoneChan) Close() {
dc.once.Do(func() {
close(dc.done)
})
}
func (dc *DoneChan) Done() chan lang.PlaceholderType {
return dc.done
}