channel/filter.go

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250 B
Go
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2022-07-05 21:30:19 +02:00
package channel
func Filter[T any](source <-chan T, filter func(T) bool) <-chan T {
out := make(chan T, cap(source))
go func() {
defer close(out)
for value := range source {
if filter(value) {
out <- value
}
}
}()
return out
}