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author | simonpj <unknown> | 2001-06-25 12:54:59 +0000 |
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committer | simonpj <unknown> | 2001-06-25 12:54:59 +0000 |
commit | 172201a482e23dd4a61359a8625f0e50556b8bf4 (patch) | |
tree | c52b638c08f8624bec25c35f19031e69a6c74e92 /testsuite/tests/ghc-regress/typecheck/should_compile/tc129.hs | |
parent | 34a5daae6402706cf57983bda739bb3d48aaa182 (diff) | |
download | haskell-172201a482e23dd4a61359a8625f0e50556b8bf4.tar.gz |
[project @ 2001-06-25 12:54:59 by simonpj]
Add an implicit-parameter test
Diffstat (limited to 'testsuite/tests/ghc-regress/typecheck/should_compile/tc129.hs')
-rw-r--r-- | testsuite/tests/ghc-regress/typecheck/should_compile/tc129.hs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/testsuite/tests/ghc-regress/typecheck/should_compile/tc129.hs b/testsuite/tests/ghc-regress/typecheck/should_compile/tc129.hs new file mode 100644 index 0000000000..0fb623daaf --- /dev/null +++ b/testsuite/tests/ghc-regress/typecheck/should_compile/tc129.hs @@ -0,0 +1,15 @@ +-- !!! Test inheritance of implicit parameters. +-- GHC 5.00.2 fails this test + +-- The thing is to do with whether an implicit parameter +-- constraint can be "inherited". See notes in TcSimplify.lhs + +module ShouldCompile where + +data R = R {f :: Int} + +foo :: (?x :: Int) => R -> R +foo r = r {f = ?x} + +baz = (?x +1) :: Int + |