| changeset 46236 | ae79f2978a67 |
| parent 45389 | bc0d50f8ae19 |
| child 49660 | de49d9b4d7bc |
--- a/src/Pure/Syntax/syntax_trans.ML Mon Jan 16 20:32:33 2012 +0100 +++ b/src/Pure/Syntax/syntax_trans.ML Mon Jan 16 21:50:15 2012 +0100 @@ -93,7 +93,9 @@ (* constify *) -fun constify_ast_tr [Ast.Variable c] = Ast.Constant c +fun constify_ast_tr [Ast.Appl [c as Ast.Constant "_constrain", ast1, ast2]] = + Ast.Appl [c, constify_ast_tr [ast1], ast2] + | constify_ast_tr [Ast.Variable c] = Ast.Constant c | constify_ast_tr asts = raise Ast.AST ("constify_ast_tr", asts);