WebApr 10, 2024 · Convert name to constant using switch without ugly code Ask Question Asked today today 6 times 0 I am converting a string to a constant number and that should be done as fast as possible. If possible at compile time. It is used a lot within the code. Is there a better way to write this type of code?
在常量表达式中调用 "static constexpr "函数是...错误? - IT宝库
WebAug 30, 2024 · constexpr started small in C++11 but then, with each Standard revision, improved considerably. In C++20, we can say that there’s a culmination point as you can even use std::vector and std::string in constant expressions!. Let’s look at use cases, required features to make it work, and finally, one significant limitation that we might want … WebApr 21, 2024 · ORB-SLAM3 V0.4: Beta version, 21 April 2024. Authors: Carlos Campos, Richard Elvira, Juan J. Gómez Rodríguez, José M. M. Montiel, Juan D. Tardos. The Changelog describes the features of each version.. ORB-SLAM3 is the first real-time SLAM library able to perform Visual, Visual-Inertial and Multi-Map SLAM with monocular, stereo … smith county tax office 155
C++ - std::cmp_equal, cmp_not_equal, cmp_less, cmp_greater, …
WebApr 10, 2024 · template inline constexpr bool is_array_or_vector_v = false; template inline constexpr bool is_array_or_vector_v> = true; template inline constexpr bool is_array_or_vector_v> = true; template inline constexpr bool has_sub_array = false; template inline constexpr bool has_sub_array> = is_array_or_vector_v; template inline … WebOct 1, 2014 · The [dcl.constexpr] subsection mainly defines the behaviour of the constexpr specifier. For example, [dcl.constexpr]/9 (in N3797) says "A constexpr specifier used in … WebMar 19, 2024 · class X { public: static constexpr bool constexprFoo() { return true; } template T foo() { if constexpr (constexprFoo ()) {} return {}; } }; int main() { X x; x.foo (); return 0; } 0 Viorel 88,316 Mar 20, 2024, 5:35 AM Probably it depends on /permissive- and /permissive options. 0 Show 6 more comments Sign in to comment smith county tax assessor raleigh ms