Mercurial > urweb
diff src/core_util.sml @ 621:8998114760c1
"Hello world" compiles, after replacing type-level fold with map
author | Adam Chlipala <adamc@hcoop.net> |
---|---|
date | Sat, 21 Feb 2009 15:33:20 -0500 |
parents | 56aaa1941dad |
children | 588b9d16b00a |
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--- a/src/core_util.sml Sat Feb 21 14:10:06 2009 -0500 +++ b/src/core_util.sml Sat Feb 21 15:33:20 2009 -0500 @@ -178,11 +178,11 @@ | (CConcat _, _) => LESS | (_, CConcat _) => GREATER - | (CFold (d1, r1), CFold (d2, r2)) => + | (CMap (d1, r1), CMap (d2, r2)) => join (Kind.compare (d1, r2), fn () => Kind.compare (r1, r2)) - | (CFold _, _) => LESS - | (_, CFold _) => GREATER + | (CMap _, _) => LESS + | (_, CMap _) => GREATER | (CUnit, CUnit) => EQUAL | (CUnit, _) => LESS @@ -261,12 +261,12 @@ S.map2 (mfc ctx c2, fn c2' => (CConcat (c1', c2'), loc))) - | CFold (k1, k2) => + | CMap (k1, k2) => S.bind2 (mfk k1, fn k1' => S.map2 (mfk k2, fn k2' => - (CFold (k1', k2'), loc))) + (CMap (k1', k2'), loc))) | CUnit => S.return2 cAll