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author | David Terei <davidterei@gmail.com> | 2011-07-20 11:09:03 -0700 |
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committer | David Terei <davidterei@gmail.com> | 2011-07-20 11:26:35 -0700 |
commit | 16514f272fb42af6e9c7674a9bd6c9dce369231f (patch) | |
tree | e4f332b45fe65e2a7a2451be5674f887b42bf199 /testsuite/tests/typecheck/should_compile/tc175.hs | |
parent | ebd422aed41048476aa61dd4c520d43becd78682 (diff) | |
download | haskell-16514f272fb42af6e9c7674a9bd6c9dce369231f.tar.gz |
Move tests from tests/ghc-regress/* to just tests/*
Diffstat (limited to 'testsuite/tests/typecheck/should_compile/tc175.hs')
-rw-r--r-- | testsuite/tests/typecheck/should_compile/tc175.hs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_compile/tc175.hs b/testsuite/tests/typecheck/should_compile/tc175.hs new file mode 100644 index 0000000000..1631864d5c --- /dev/null +++ b/testsuite/tests/typecheck/should_compile/tc175.hs @@ -0,0 +1,15 @@ +-- See trac bug 179 + +-- Gives a bogus type error +-- No instance for (Show (t -> Bool)) +-- arising from use of `show' at tc175.hs:11:8-11 +-- In the definition of `foo': foo x = show (\ _ -> True) +-- because the instance decl has type variables with +-- kind *, whereas the constraint (Show (x -> Bool)) has x::?? +-- Kind of stupid, really, but awkward to fix. + +module ShouldCompile where + +instance Show (a->b) + +foo x = show (\ _ -> True) |