Commit b383edf2 authored by simonpj's avatar simonpj
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[project @ 2002-02-15 09:32:47 by simonpj]

Comments only
parent 87a229b8
......@@ -670,9 +670,14 @@ tcSimplifyCheck
-- tcSimplifyCheck is used when checking expression type signatures,
-- class decls, instance decls etc.
-- Note that we psss isFree (not isFreeAndInheritable) to tcSimplCheck
--
-- NB: we psss isFree (not isFreeAndInheritable) to tcSimplCheck
-- It's important that we can float out non-inheritable predicates
-- Example: (?x :: Int) is ok!
--
-- NB: tcSimplifyCheck does not consult the
-- global type variables in the environment; so you don't
-- need to worry about setting them before calling tcSimplifyCheck
tcSimplifyCheck doc qtvs givens wanted_lie
= tcSimplCheck doc get_qtvs
givens wanted_lie `thenTc` \ (qtvs', frees, binds) ->
......
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