initializer-list

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Templates don't always guess initializer list types

#include <initializer_list> #include <utility> void foo(std::initializer_list<std::pair<int,int>>) {}[详细]

2023-04-11 12:24 分类：问答
Calling overloaded constructor from constructor initialisation list

In the code below, my intent is to call one of two overloaded constructors for the kap (class opacity) based on what arguments are passed to the object of class material:[详细]

2023-04-11 01:16 分类：问答
C++: Should I initialize pointer members that are assigned to in the constructor body to NULL?

Suppose I have: // MyClass.h class MyClass { public: MyClass(); private: Something *something_; } // MyClass.cpp[详细]

2023-04-09 01:24 分类：问答
How to "reduce typing to create C++ types" with Uniform Initializers?

I have played a lot the new Uniform Initialization with {}. Like this: vector<int> x = {1,2,3,4};[详细]

2023-04-05 14:34 分类：问答
C++11 library features dependent on compiler specific proxys

It\'s been brought to my attention by trial and error that there are certian C++11 features that depend on some sort of compiler magic (TM).I\'ve been messing around with implementing my own standard[详细]

2023-04-04 16:48 分类：问答
Initializer-list-constructing a vector of noncopyable (but movable) objects

One can push_back rvalues of a noncopyable-but-movable type into a vector of that type: #include <vector>[详细]

2023-04-01 01:14 分类：问答
Syntax in Assigning to Map of structs

struct Structure { //Structure(const char* n, int v, bool a) : name(n), value(v), awesome(a) {} const char* name;[详细]

2023-03-27 14:45 分类：问答
Using initializer lists with inherited variables

I\'ve been fiddling with a program for about 20 minutes and I found that for some reason it won\'t let me use inherited variables in initialization lists. This program, for example:[详细]

2023-03-12 07:47 分类：问答
C++ vector of arrays

Why does this work: std::pair<int, int> p = {1,2}; std::vector<std::pair<int, int>> vp = { {1,2}, {3,4} };[详细]

2023-03-06 12:46 分类：问答
C++0x nested initializer lists

I would like to use C++0x new initializer list feature to initialize a std::vector with a compile time defined number of items for a new API I\'m currently working on. Something like this:[详细]

2023-03-02 09:37 分类：问答