perfect-forwarding

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C++ Unified Assignment Operator move-semantics

EDIT: solved see comments --don\'t know how to mark as solved with out an answer. After watching a Channel 9 video on Perfect Forwarding / Move semantics in c++0x i was some what led into believing t[详细]

2023-04-05 09:32 分类：问答
Converting a variadic macro to a variadic template function?

Given a variadic macro of the form: #define MY_CALL_RETURN_F(FType, FId, ...) \\ if(/*prelude omitted*/) {\\[详细]

2023-03-29 21:45 分类：问答
Rvalue ref and perfect forwarding

I\'ve read few papers about && and I\'m just curious if having: void fnc_1(int&& p) { //...[详细]

2023-03-23 19:59 分类：问答
implementing a variadic zip function with const-correctness

I\'m trying to implement a zip function.zip\'s parameters are each wrapped<Ti>, where Ti varies from parameter to parameter.[详细]

2023-03-18 21:16 分类：问答
Correct way to use decltype as trailing return type

I very often see example of this form: template <typename T, typename U> auto add(T&& t, U&& u) -> decltype(std::forward<T>(t) + std::forward<U>(u))[详细]

2023-03-01 12:48 分类：问答
What does T&& (double ampersand) mean in C++11?

I\'ve been looking into some of the new features of C++11 and one I\'ve noticed is the double ampersand in declaring variables, like T&& var.[详细]

2023-02-20 12:22 分类：问答
Why does std::forward discard constexpr-ness?

Being not declared constexpr, std::forward will discard constexpr-ness for any function it forwards arguments to. Why is std::forward not declared constexpr itself so it can preserve constexpr-ness?[详细]

2023-02-13 14:28 分类：问答
How useful would Inheriting Constructors be in C++?

As I sit in the C++ Standards committee meetings, they are discussing the pros and cons of dropping Inheriting Constructors since no compiler vendor has implemented it yet (the sense being users haven[详细]

2023-01-24 06:10 分类：问答
What are the main purposes of std::forward and which problems does it solve?

In perfect forwarding, std::forward is used to convert the named rvalue references t1 and t2 to unnamed rvalue references. What is the purpose of doing that? How would that affect the called function[详细]

2023-01-13 02:30 分类：问答
convert txt or doc to pdf using php

have anyone come across a php code that convert text or doc into pdf ? it has tofollow the same format as the 开发者_如何转开发original txt or doc file meaning the line feed as well as new paragraph.[详细]

2022-12-21 22:35 分类：问答