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| author | David Terei <davidterei@gmail.com> | 2011-07-20 11:09:03 -0700 |
|---|---|---|
| committer | David Terei <davidterei@gmail.com> | 2011-07-20 11:26:35 -0700 |
| commit | 16514f272fb42af6e9c7674a9bd6c9dce369231f (patch) | |
| tree | e4f332b45fe65e2a7a2451be5674f887b42bf199 /testsuite/tests/typecheck/should_compile/T4401.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/T4401.hs')
| -rw-r--r-- | testsuite/tests/typecheck/should_compile/T4401.hs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_compile/T4401.hs b/testsuite/tests/typecheck/should_compile/T4401.hs new file mode 100644 index 0000000000..81fcf71a96 --- /dev/null +++ b/testsuite/tests/typecheck/should_compile/T4401.hs @@ -0,0 +1,11 @@ +{-# LANGUAGE FlexibleInstances, UndecidableInstances, + MultiParamTypeClasses, FunctionalDependencies #-} +module T4401 where + +class Mul x y z | x y -> z +class IsType a +class IsType a => IsSized a s | a -> s + +data Array n a = Array +instance IsSized a s => IsType (Array n a) +instance (IsSized a s, Mul n s ns) => IsSized (Array n a) ns |