expressions

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This library is great, but shows wrong answer when for this expression. "-4+4" should be 0 instead it shows 8.

Try 0-4+4 I think library needs something on left of minus sign

Yes, but it shouldn't be the case. This should be added as a bug.

I understand your concern, but internally lib calls left - right() to subtract expressions. In above case left is missing so it might give some issue. Still this needs to be fixed

@jaydangar It worked fine in my case

 const expression1 = '-4+4';
 final result1 = ExpressionUtils.evaluate(
        expression: expression1,
        map: map,
      );
 expect(result1, 0);

The test case passed. Expression Utils is just a wrapper of the lib in my case