Look up everything in symbolify

Co-authored-by: "Yingbo Ma" <[email protected]>

Author: shashi

src/code.jl

@@ -125,6 +125,7 @@ function toexpr(O, st)
     if expr′ !== nothing
         return expr′
     else
+        haskey(st.symbolify, O) && return st.symbolify[O]
         args = arguments(O)
         return Expr(:call, toexpr(op, st), map(x->toexpr(x, st), args)...)
     end

test/code.jl

@@ -132,5 +132,13 @@ test_repr(a, b) = @test repr(Base.remove_linenums!(a)) == repr(Base.remove_linen
                                              [(),
                                               (0.6,)],
                                              vcat)|>toexpr|>eval) < 1.1
+
+    let
+        @syms a b
+
+        f = eval(toexpr(Func([a+b], [], a+b)))
+        @test f(1) == 1
+        @test f(2) == 2
+    end
 end