Add inline bool dm::isValidId(int id) #6

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mrts opened this issue Jun 1, 2014 · 0 comments

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mrts commented Jun 1, 2014

People are confused whether to use -1 or 0 for invalid ID. Better to solve the problem once and for all by

namespace dm
{
const int INVALID_ID = -1;
inline bool isValidId(int id) { return id > 0; }
}

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