examples/bool_expr/bool_expr.rb in sexpr-0.4.0 vs examples/bool_expr/bool_expr.rb in sexpr-0.5.0

@@ -40,12 +40,12 @@
 
     # The main rewriting rule, that pushes a NOT according to the different
     # cases
     def on_bool_not(sexpr)
       case expr = sexpr.last
-      when And then call [:bool_or,  [:bool_not, expr[1]], [:bool_not, expr[2]] ]
-      when Or  then call [:bool_and, [:bool_not, expr[1]], [:bool_not, expr[2]] ]
-      when Not then call expr.last
+      when And then apply [:bool_or,  [:bool_not, expr[1]], [:bool_not, expr[2]] ]
+      when Or  then apply [:bool_and, [:bool_not, expr[1]], [:bool_not, expr[2]] ]
+      when Not then apply expr.last
       when Lit then [:bool_lit, !expr.last]
       else
         sexpr
       end
     end
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