std::mdspan<T,Extents,LayoutPolicy,AccessorPolicy>::mapping-traits
From cppreference.com
constexpr bool is_unique() const;
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(1) | (since C++23) |
constexpr bool is_exhaustive() const;
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(2) | (since C++23) |
constexpr bool is_strided() const;
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(3) | (since C++23) |
static constexpr bool is_always_unique();
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(4) | (since C++23) |
static constexpr bool is_always_exhaustive();
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(5) | (since C++23) |
static constexpr bool is_always_strided();
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(6) | (since C++23) |
Checks if (1-3) the underlying layout mapping map_ or (4-6) its type mapping_type models the semantics of LayoutMapping's predicate mapping traits.
1-3) Let
func be (1) is_unique, (2) is_exhaustive, or (3) is_strided, then it's equivalent to return map_.func();.4-6) Let
func be (4) is_always_unique, (5) is_always_exhaustive, or (6) is_always_strided, then it's equivalent to return mapping_type::func();.Return value
true if the underlying layout mapping(-type) models the semantics of LayoutMapping's predicate mapping traits; otherwise, false.
Example
| This section is incomplete Reason: no example |
See also
| This section is incomplete |