fixup! use more optimized map/any

Author: AayushSabharwal

src/matchers.jl

@@ -10,7 +10,8 @@ function matcher(val::Any)
     # if val is a call (like an operation) creates a term matcher or term matcher with defslot
     if iscall(val)
         # if has two arguments and one of them is a DefSlot, create a term matcher with defslot
-        if length(arguments(val)) == 2 && any(x -> isa(x, DefSlot), arguments(val))
+        args = parent(arguments(val))
+        if length(args) == 2 && any(x -> isa(x, DefSlot), args)
             return defslot_term_matcher_constructor(val)
         # else return a normal term matcher
         else