void does not use <$
Data.Functor.void
is currently defined as
void = fmap (const ())
Some Functor
instances have an optimized <$
, so this should be
void x = () <$ x
Trac metadata
Trac field | Value |
---|---|
Version | 7.9 |
Type | Task |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | Core Libraries |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | core-libraries-committee@haskell.org |
Operating system | |
Architecture |