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The test case
123.45*(678.90 / (-2.5+ 11.5)-(80 -19) *33.25) / 20 + 11
, particularly the section(80 -19)
, is giving me a bit of trouble.Since the expression wouldn't make sense if the minus sign was interpreted as a negative number (it should be
(80 - 19)
), does that mean that when you say "However the minus sign attached to negative numbers (-) will never be separated by whitespace", you also mean that the minus sign attached to a number doesn't necessarily make it a negative number?Okay, I fixed the description and added tests for empty arrays.