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If we actually (as the title seems to imply) invert the parentheses, then for your example we get 1+2)*(3 .

Now all you need are the opening and closing parentheses at the start and end, and we're back to normal.



Thank you. I thought I was going crazy reading the article which doesn’t connect open and close parenthesis :: higher and lower precedence :: indent and outdent :: +1 and -1 and just flip it around to get the opposing polarity.

A real Wesley Crusher moment.


Yeah, that seems a much more robust formulation of the whole thing. Flip all parens and enclose the whole string in more parens.


that results in

    (1+2)*(3)
which is (as GP notes), equivalent to "normal", ie what we do today:

    (1+2)*3
Right?




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