internal

func FanOut3 ¶

func FanOut3[A any, B any, C any](
	a func() (A, error),
	b func() (B, error),
	c func() (C, error),
) (A, B, C, error)

Run three functions which return results or errors in parallel. If any return an error then return that error (starting with the first function). If none error then return their results.