import Cslib.Init https://github.com/leanprover/cslib/blob/9dd5453bf85ddb0a05253a8a39dea5c9ed67083c/Cslib/Foundations/Data/FinFun.lean#L7-L8
import Cslib.Init
cslib/Cslib/Foundations/Data/FinFun.lean
Lines 7 to 8 in 9dd5453