The evolution of constexpr
Design and evolution of constexpr in C++ - PVS-Studio
constexpr is one of the magic keywords in modern C++. You can use it to create code, that is then executed before the compilation process ...
The evolution of constexpr: compile-time lookup tables in C++
We declare a lookup table in our header. Due to how C++ linkage works, we need to use extern linkage and define the lookup table in a single ...
Design and evolution of constexpr in C++ : r/cpp - Reddit
With placement new, the argument that is the location and the arguments to the type constructor are visually distinct, and the type is there so ...
Design and evolution of constexpr in C++ - Standard C++
Design and evolution of constexpr in C++ ... constexpr is one of the magic keywords in modern C++. You can use it to create code, that is then ...
Design and evolution of constexpr in C++ - C++95
Design and evolution of constexpr in C++ · ABI: the three scary letters · Book review: "Modern C++ Programming with Test-Driven Development" ...
Understanding the Power of constexpr in Modern C++ | by Gealleh
Readability: constexpr makes the intent of compile-time computation explicit. Evolution of constexpr. C++11: The Beginning. C++11 introduced ...
Modern C++ in embedded development: constexpr - Semblie
Cppreference defines constexpr specifier as follows: “The constexpr specifier declares that it is possible to evaluate the value of the function or variable at ...
C++23: Even more constexpr - Sandor Dargo's Blog
Non-literal variables in constexpr functions ... The rationale behind this change is that the presence of the listed things in a function is not a ...
P1235R0: Implicit constexpr - Open-std.org
Evolution Working Group (EWG). Motivation. Over the course of the last 8 years, constexprhas evolved and proliferated throughout the C++ ...
Modern C++: const and constexpr. Introduction | by Dagang Wei
constexpr : Compile-Time Constant Expressions · Performance Boost: Calculations performed at compile time eliminate the need for runtime ...
C++14 Support for ARM, MSP and C6000 Compilers
constexpr variables are helpful as type-safe replacements for macros, and can be used to provide descriptive names for what would otherwise be a ...
constexpr Dynamic Memory Allocation, C++20 - C++ Stories
constexpr has become a major feature for compile-time programming in C++. Introduced in a simple form in C++11 evolved into almost another ...
constexpr specifier (since C++11) - cppreference.com - C++ Reference
The constexpr specifier declares that it is possible to evaluate the value of the function or variable at compile time. Such variables and ...
Understanding constexpr Specifier in C++ - GeeksforGeeks
constexpr specifies that the value of an object or a function can be evaluated at compile-time and the expression can be used in other constant ...
Your New Mental Model of constexpr - Jason Turner - CppCon 2021
... constexpr could be used. Experts will get concerned about the ... constexpr. In this talk, I will present a mental model for how you ...
Outsourcing the constexpr evaluation to the LLVM IR interpreter?
TL;DR: The constexpr evaluation historically revolves around the algorithm of constant folding (wikipedia) on the AST. The problem is that ...
C++ constexpr makes compile-time programming a breeze
Constant expression, constexpr , code in C++ aims to move non-changing repetitive computations at runtime to compile time.
constexpr All the Things! (but gently) | by Aviv Avitan | Level Up Coding
Constant propagation occurs only if compiler optimizations are set but constexpr will “optimize” code even without specifying any optimization.
What is constexpr in C++? [duplicate] - Stack Overflow
1. you forgot const qualifier constexpr int const& ri = i; . constexpr int i = 0; also declare i as const... demo · 1. "if I replaced the ...
constexpr and consteval Functions in C++20 - Modernes C++
A constexpr function must run at compile time when used in a constexpr context, or the result is requested at compile time. line (1) and line (2) ...