Design and evolution of constexpr in C

A new chapter, and thoughts on a pivotal year for C++ - Herb Sutter

As Bjarne Stroustrup famously said, “C++11 [felt] like a new language,” starting a new “modern” C++ style featuring auto and lambdas and ...

constexpr Archives - CppDepend:

Tag: constexpr. C++26 ... C++11 marked a significant evolution in the C++ ... A Look Inside the Macchina SDK Source Code: Clean Design and Implementation.

C++20: consteval and constexpr functions - Daniel Lemire's blog

In modern C++, you can declare a function as 'constexpr', meaning that you state explicitly that the function may be executed at compile time.

Enabling Constexpr Intrinsics By Permitting Unevaluated inline-asm ...

Audience: Evolution Working Group (EWG), Evolution Working Group Incubator (SG17) ... constexpr double fma(double b, double c, double d) { if (std ...

Google C++ Style Guide

C++ is one of the main development languages used by many of Google's open-source projects. As every C++ programmer knows, the language has many powerful ...

Could we put const at the top of the file and why constexpr? - Ask

This is incorrect. constexpr means that the variable/function can be evaluated at compile time, it's not guaranteed that it necessarily will be.

Add constexpr to the refrence and favour them over #define

Keep in mind that constexpr is C++11 and the Intel Galileo and Intel Edison are using C++98. Yes, those boards are discontinued, but a lot of ...

P1383 R2 More constexpr for cmath and complex #168 - GitHub

Take a Library Evolution electronic poll to send P1383R1 (More constexpr for and ) to Library for C++26 classified as B2 ...

Constexpr in Modern C++17 | Study notes History - Docsity

Constexpr in Modern C++17, Study notes of History ... constexpr variables and constexpr functions. - May be evaluated at compiletime. - Implicitly ...

C++ constexpr parlor tricks: How can I obtain the length of a string at ...

Say you want to obtain, at compile time, the length of a compile-time string constant. The problem is that the strlen function is not constexpr.

C++11 - Wikipedia

1 Design goals · 2 Extensions to the C++ core language. 2.1 Core language runtime performance enhancements · 3 C++ standard library changes. 3.1 Upgrades to ...

if constexpr in C++ 17 - GeeksforGeeks

In C++17, if constexpr feature was introduced to allow compile-time branching based on constant expressions. Unlike regular if statements, ...

Simplify Code with if constexpr and Concepts in C++17/C++20

Compile-time if in the form of if constexpr is a fantastic feature that went into C++17. With this functionality, we can improve the readability of some ...

How does the constexpr function work in C++? - Quora

C++ 14 allows more than one statements. constexpr specifies that the value of an object or a function can be evaluated at compile time and the ...

C++23: Consteval if to make compile time programming easier

To answer that question, let's remind us of the difference between a constexpr and a consteval function. A constexpr function's return value can ...

C++ constexpr: What It Really Is? | by Debby Nirwan

constexpr stands for constant expression and is used to specify that a variable or function can be used in a constant expression, an expression that can be ...

Const vs. constexpr vs. consteval vs. constinit in C++20 | Hacker News

Thus constructors are a reasonable contender for the worst design mistake in C++. ... C++ -- languages unconstrained by history don't have ...

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.

How to create an N-element constexpr array in C++ - Educative.io

A constexpr variable is used when its value is supposed to be constant throughout a program's execution. The constexpr keyword computes the ...

using std::array or similar in constexpr functions - Google Groups

I am playing around with C++14 relaxed constexpr functions and I wonder, how one need to specify std::array-like structure to create a table in a constexpr ...