Files
Miccah 5c0ffda618 Define SourceUnit enumeration interface (#1428)
* Add CancellableWrite helper function

* Create SourceUnitEnumerator interface and EnumerationResult struct

* Implement SourceUnitEnumerator for the filesystem Source

* Omit explicit zero values
2023-07-10 15:05:40 -05:00

25 lines
533 B
Go

package common
import "context"
func IsDone(ctx context.Context) bool {
select {
case <-ctx.Done():
return true
default:
return false
}
}
// CancellableWrite blocks on writing the item to the channel but can be
// cancelled by the context. If both the context is cancelled and the channel
// write would succeed, either operation will be performed randomly.
func CancellableWrite[T any](ctx context.Context, ch chan<- T, item T) error {
select {
case ch <- item:
return nil
case <-ctx.Done():
return ctx.Err()
}
}