Trouble understanding C 14 Relaxed constexpr restrictions

Trouble understanding C++14 Relaxed constexpr restrictions

1 Answer 1 · I thought if function declared as constexpr than it only can be invoked with values that can be computed during compile time ...

constexpr specifier (since C++11) - cppreference.com - C++ Reference

Relaxing some constexpr restrictions. 202211L, (C++23), Permitting ... C++14, labels were allowed in constexpr functions even though gotos ...

Relaxing some constexpr restrictions - Open-std.org

There are two rules about constexpr programming that make code ill-formed or ill-formed (no diagnostic required) when functions or function templates are ...

Understanding constexpr Specifier in C++ - GeeksforGeeks

In C++11, prefix increment (++v) was not allowed in constexpr function but this restriction has been removed in C++14. It might seem like ...

Relaxing constraints on constexpr functions - Standard C++

This paper describes the subset of N3597 selected for inclusion in C++14, relaxing a number of restrictions on constexpr functions.

A Complete Guide To The List Of Features In C++ 14

... understand these C++14 features below. In our previous “A ... relaxed in C++14 and this feature is known as Relaxed Constexpr Restrictions ...

[“Fun with C++ constexpr, variadic templates, and fold expressions ...

C++14 and a More Versatile Constexpr. C++14 relaxed a lot of the rules around constexpr. Now constexpr functions are defined by what isn't ...

The Key Differences Between C++14, C++17, and C++20

Key Features of C++ 14 · 1. Generic lambdas · 1. Generic lambdas · 2. Relaxation of constexpr Restrictions · 2. Relaxation of constexpr Restrictions.

Why is it not allowed to have variables of static storage duration ...

constexpr int foo() { static constexpr int i = 0; return i; }. But this is not allowed, not even with the C++14 relaxed requirements. First I ...

constexpr by default? - Google Groups

Over the last few years, we've had this large proliferation of constexpr functions - especially after C++14 relaxed what was allowed to be constexpr. Now we ...

C++14 - Wikipedia

Relaxed constexpr restrictions · Any declarations except: static or thread_local variables. · The conditional branching statements if and switch . · Any looping ...

"A Proposal to Relax Constexpr Restrictions for some Reinterpret ...

This proposal relaxes the rule for reinterpret_cast in constexpr so that we can actually cast cv void* to cv unsigned/signed char*.

Modern C++ Features - constexpr

Unlike in C++03, where only literals of built in type could be compile time constants, the restriction has been relaxed in C++11 and C++14. The ...

C++14 Language Extensions, C++ FAQ - Standard C++

Binary literals · Generalized return type deduction · decltype(auto) · Generalized lambda captures · Generic lambdas · Variable templates · Extended constexpr · The [ ...

constexpr Functions – MC++ BLOG - Modernes C++

have to be initialized by a constant expression. constexpr double pi = 3.14;. Functions. constexpr functions in C++14 are pretty comfortable.

It's 2019, we have the power of constexpr and lambdas at ... - Reddit

The problem with GCC is that __pretty_function__ isn't constexpr ... r/cpp · In case you've missed it, Visual C++ now has C++14 relaxed ...

Understanding the Power of constexpr in Modern C++ | by Gealleh

C++14 significantly relaxed the constraints on constexpr functions: Multiple statements are now allowed. Local variables and loops are permitted ...

Relaxing some constexpr restrictions - Open-std.org

Now, one could argue that this diagnosis is a good thing: that constexpr annotation on g makes no sense! It can't be a constant expression, so ...

What are the differences between C++11 and C++14 C++17? - Quora

Relaxed constexpr constraints (the most expensive C++14 feature to implement, in my case) · Generic lambdas (e.g., [](auto p) { return p*2; } ) ...

constexpr (C++) - Microsoft Learn

To limit the complexity of compile-time constant computations, and their potential impacts on compilation time, the C++14 standard requires the ...