extents_forward_declaration.h

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#pragma once
 
#include "di/math/to_unsigned.h"
#include "di/meta/language.h"
#include "di/types/size_t.h"
#include "di/vocab/span/span_forward_declaration.h"
 
namespace di::vocab {
template<concepts::Integer T, types::size_t... extents>
requires((extents == dynamic_extent || extents <= math::to_unsigned(math::NumericLimits<T>::max)) && ...)
class Extents;
 
struct LayoutLeft {
    template<typename Extents>
    class Mapping;
};
 
struct LayoutRight {
    template<typename Extents>
    class Mapping;
};
 
struct LayoutStride {
    template<typename Extents>
    class Mapping;
};
}
 
namespace di {
using vocab::Extents;
using vocab::LayoutLeft;
using vocab::LayoutRight;
using vocab::LayoutStride;
}