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Simon Peyton Jones authored
First, make Rules.match_co able to deal wit some modest coercions Second, make SpecConstr use wild-card for coercion arguments This is the rest of the fix for Trac #7165
b04ff2fe
First, make Rules.match_co able to deal wit some modest coercions Second, make SpecConstr use wild-card for coercion arguments This is the rest of the fix for Trac #7165