DUNE-FEM (unstable)
Namespace with predefined compile time indices for the range [0,19]. More...
Functions | |
template<char... digits> | |
constexpr auto | operator""_ic () |
Literal to create an index compile-time constant. More... | |
template<char... digits> | |
constexpr auto | operator""_uc () |
Literal to create an unsigned integer compile-time constant. More... | |
template<char... digits> | |
constexpr auto | operator""_sc () |
Literal to create a signed integer compile-time constant. More... | |
template<class T , T value> | |
constexpr auto | operator- (std::integral_constant< T, value >) |
Negation operator for integral constants. More... | |
Variables | |
constexpr index_constant< 0 > | _0 = {} |
Compile time index with value 0. | |
constexpr index_constant< 1 > | _1 = {} |
Compile time index with value 1. | |
constexpr index_constant< 2 > | _2 = {} |
Compile time index with value 2. | |
constexpr index_constant< 3 > | _3 = {} |
Compile time index with value 3. | |
constexpr index_constant< 4 > | _4 = {} |
Compile time index with value 4. | |
constexpr index_constant< 5 > | _5 = {} |
Compile time index with value 5. | |
constexpr index_constant< 6 > | _6 = {} |
Compile time index with value 6. | |
constexpr index_constant< 7 > | _7 = {} |
Compile time index with value 7. | |
constexpr index_constant< 8 > | _8 = {} |
Compile time index with value 8. | |
constexpr index_constant< 9 > | _9 = {} |
Compile time index with value 9. | |
constexpr index_constant< 10 > | _10 = {} |
Compile time index with value 10. | |
constexpr index_constant< 11 > | _11 = {} |
Compile time index with value 11. | |
constexpr index_constant< 12 > | _12 = {} |
Compile time index with value 12. | |
constexpr index_constant< 13 > | _13 = {} |
Compile time index with value 13. | |
constexpr index_constant< 14 > | _14 = {} |
Compile time index with value 14. | |
constexpr index_constant< 15 > | _15 = {} |
Compile time index with value 15. | |
constexpr index_constant< 16 > | _16 = {} |
Compile time index with value 16. | |
constexpr index_constant< 17 > | _17 = {} |
Compile time index with value 17. | |
constexpr index_constant< 18 > | _18 = {} |
Compile time index with value 18. | |
constexpr index_constant< 19 > | _19 = {} |
Compile time index with value 19. | |
Detailed Description
Namespace with predefined compile time indices for the range [0,19].
The predefined index objects in this namespace are constexpr
, which allows them to be used in situations where a compile time constant is needed, e.g. for a template parameter. Apart from that, constexpr
implies internal linkage, which helps to avoid ODR problems.
The constants implicitly convert to their contained value, so you can for example write
std::array<int,_10> a;
// the above line is equivalent to
std::array<int,10> b;
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(Nov 12, 23:30, 2024)