Re: Heterogeneous equality

2017-07-06 Thread Richard Eisenberg
> On Jul 5, 2017, at 5:23 PM, Wolfgang Jeltsch wrote: > > Hi! > > The base package contains the module Data.Type.Equality, which contains > the type (:~:) for homogeneous equality. I was a bit surprised that > there is no type for heterogeneous equality there. Is there su

Heterogeneous equality

2017-07-05 Thread Wolfgang Jeltsch
Hi! The base package contains the module Data.Type.Equality, which contains the type (:~:) for homogeneous equality. I was a bit surprised that there is no type for heterogeneous equality there. Is there such a type somewhere else in the standard library? I tried to define a type for