Defined in header <span> | ||
|---|---|---|
inline constexpr std::ptrdiff_t dynamic_extent = -1; | (since C++20) |
std::dynamic_extent is a constant of type std::ptrdiff_t that is used to differentiate std::span of static and dynamic extent.
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(C++20) | a non-owning view over a contiguous sequence of objects (class template) |
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