> Without one any language's type system will feel more frustrating than it's worth, since you won't get inline error messages either. I disagree, for me the i

> Without one any language's type system will feel more frustrating than it's worth, since you won't get inline error messages either. I disagree, for me the integration with the editor mostly shortens feedback cycles, and enables some more advanced features. The utility of identifying problems without running the code is still there.