implicit parameter not hoisted
Try compiling this:
{-# OPTIONS -fglasgow-exts #-}
module Bug where
f :: () -> (?p :: ()) => () -> ()
f _ _ = ();
g :: (?p :: ()) => ()
g = f () ()
Results:
Bug.hs:7:10:
Couldn't match expected type `{?p::()}' against inferred type `()'
In the second argument of `f', namely `()'
In the expression: f () ()
In the definition of `g': g = f () ()
Expected: to compile.
Trac metadata
Trac field | Value |
---|---|
Version | 6.6 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | Compiler |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | |
Operating system | Unknown |
Architecture | Unknown |