refactor: clean up evaluation

Author: MilesCranmer

src/Evaluate.jl

@@ -776,7 +776,7 @@ function eval(current_node)
     operators::GenericOperatorEnum;
     throw_errors::Union{Val,Bool}=Val(true),
 ) where {T1,T2,N}
-    v_throw_errors = throw_errors isa Val ? throw_errors : Val(throw_errors)
+    v_throw_errors = _to_bool_val(throw_errors)
     try
         return _eval_tree_array_generic(tree, cX, operators, v_throw_errors)
     catch e