Check if std::wstring is null or empty

Question

How to check if an std::wstring is null or empty?

GManNickG · Accepted Answer · 2011-03-21 04:40:49Z

35

wstring is not a pointer, it cannot be null. You can check if it's empty (that is, is equivalent to "") either by direct comparison to the previous, or by:

str.empty(); // == (str.size() == 0)

answered Mar 21, 2011 at 4:40

GManNickG

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