restic/internal/repository/worker_group.go

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package repository
import (
"golang.org/x/sync/errgroup"
)
// RunWorkers runs count instances of workerFunc using an errgroup.Group.
// If an error occurs in one of the workers, it is returned.
func RunWorkers(count int, workerFunc func() error) error {
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var wg errgroup.Group
// run workers
for i := 0; i < count; i++ {
wg.Go(workerFunc)
}
return wg.Wait()
}