diff options
author | Jan Stolarek <jan.stolarek@p.lodz.pl> | 2014-07-11 13:54:45 +0200 |
---|---|---|
committer | Jan Stolarek <jan.stolarek@p.lodz.pl> | 2015-09-03 05:55:15 +0200 |
commit | 374457809de343f409fbeea0a885877947a133a2 (patch) | |
tree | a354d0f4ddb6c32e6c85b853071d2107f6b8398c /testsuite/tests/overloadedlists | |
parent | bd16e0bc6af13f1347235782935f7dcd40b260e2 (diff) | |
download | haskell-374457809de343f409fbeea0a885877947a133a2.tar.gz |
Injective type families
For details see #6018, Phab:D202 and the wiki page:
https://ghc.haskell.org/trac/ghc/wiki/InjectiveTypeFamilies
This patch also wires-in Maybe data type and updates haddock submodule.
Test Plan: ./validate
Reviewers: simonpj, goldfire, austin, bgamari
Subscribers: mpickering, bgamari, alanz, thomie, goldfire, simonmar,
carter
Differential Revision: https://phabricator.haskell.org/D202
GHC Trac Issues: #6018
Diffstat (limited to 'testsuite/tests/overloadedlists')
-rw-r--r-- | testsuite/tests/overloadedlists/should_fail/overloadedlistsfail01.stderr | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/testsuite/tests/overloadedlists/should_fail/overloadedlistsfail01.stderr b/testsuite/tests/overloadedlists/should_fail/overloadedlistsfail01.stderr index 79b78658b3..75abc3b0e6 100644 --- a/testsuite/tests/overloadedlists/should_fail/overloadedlistsfail01.stderr +++ b/testsuite/tests/overloadedlists/should_fail/overloadedlistsfail01.stderr @@ -4,8 +4,8 @@ overloadedlistsfail01.hs:5:8: error: The type variable ‘a0’ is ambiguous Potential instances: instance [safe] Show Version -- Defined in ‘Data.Version’ - instance Show a => Show (Maybe a) -- Defined in ‘GHC.Show’ instance Show Ordering -- Defined in ‘GHC.Show’ + instance Show Integer -- Defined in ‘GHC.Show’ ...plus 23 others (use -fprint-potential-instances to see them all) In the expression: print [1] |