sometime compare an empty string will fail with 'unary operator expected' #78
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…ted' 某些情况下会出现比较空串和，的错误。 :four_leaf_clover:
txthinking
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Apr 4, 2015
sometime compare an empty string will fail with 'unary operator expected'
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某些情况下会出现比较空串,
需要一元表达式的错误。