Function names capturing as external variables bug

src/parser.rs

@@ -1635,6 +1635,11 @@ fn parse_primary(
         Token::CharConstant(c) => Expr::CharConstant(Box::new((c, settings.pos))),
         Token::StringConstant(s) => Expr::StringConstant(Box::new((s.into(), settings.pos))),
         Token::Identifier(s) => {
+            // prevents capturing of the function call
+            #[cfg(not(feature = "no_closure"))]
+            if *next_token == Token::LeftParen || *next_token == Token::Bang {
+                state.allow_capture = false;
+            }
             let index = state.access_var(&s, settings.pos);
             Expr::Variable(Box::new(((s, settings.pos), None, 0, index)))
         }