string::data
Return the underlying character array directly.
Synopsis
char*
data() noexcept; (1)
char const*
data() const noexcept; (2)Description
Returns a pointer to the underlying array serving as storage. The value returned is such that the range {data(), data()+size()) is always a valid range, even if the container is empty.
Complexity
Constant.
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The value returned from this function is never equal to |