string::npos = -1?

Discussion in 'C++' started by maceron, Sep 2, 2010.

  1. maceron

    maceron New Member

    Sep 2, 2010
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    Just a quick question, if string::npos represents the largest possible value for a string object, how can this value be -1 if it's an unsigned integer?
    I know this value will change for different compilers, as string::npos on my compiler is set to 4,294,967,295 which makes sense but I don't understand how -1 can represent the largest value.

    Thanks in advance

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