defer-type-errors and equality constraints
Consider
{-# OPTIONS_GHC -fdefer-type-errors #-}
x = const True ('a' + 'a')
y = const True (not 'a')
Currently x
is True, but y
is undefined. I think it would make sense for both to be True.
Trac metadata
Trac field | Value |
---|---|
Version | 8.4.3 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | low |
Resolution | Unresolved |
Component | Compiler (Type checker) |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | |
Operating system | |
Architecture |