package pool

import (
	"runtime"

	"golang.org/x/sync/errgroup"
)

func Run[T any](items []T, fn func(T) error) error {
	if len(items) == 0 {
		return nil
	}
	g := &errgroup.Group{}
	g.SetLimit(runtime.NumCPU())
	for _, item := range items {
		g.Go(func() error { return fn(item) })
	}
	return g.Wait()
}