allocator

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C++ : Why isn't my call to "std::uninitialized_copy" working?

I building a simple class that is supposed to mimic the functionality of the std::string class (as an exercise!):[详细]

2023-02-08 12:48 分类：问答
Overload Allocator and deallocator of stl::map in c++

Is it possible to overload allocator/deallocator of stl::map in c++? If yes then how? An开发者_Python百科y help would be appreciated.Yes, you can specify it as a template argument:[详细]

2023-02-04 02:22 分类：问答
Overriding new but telling unordered_map not to use it

I\'m writing a garbage collector for C/C++ as a programming exercise, and part of this involves globally overriding new. However, the garbage collector also uses an unordered_map (to store pointers to[详细]

2023-01-30 20:34 分类：问答
Second argument to std::vector

Looking at vector, I realized that I have never used the second argument when creating vectors. std::vector<int> myInts; // this is what I usually do[详细]

2023-01-30 05:39 分类：问答
Associative container - exception rather than default-construct in C++

I\'m looking for an associative container in C++, where rather than requiring it\'s elements to be default-constructible, will throw an exception where a key is requested that isn\'t found - edit: in[详细]

2023-01-26 21:43 分类：问答
llvm-gcc std::allocator bug?

The code: #include <vector> #include <stack> using namespace std; class blub {}; class intvec : public std::vector<int, std::allocator<int> >, public blub {};[详细]

2023-01-25 10:54 分类：问答
How to replace allocators of stl with actual source code

I need to replace allocators with their original source code. I am extracting exported methods from the PE export table and facing strange lengthy allocators where STL containers were used in the orig[详细]

2023-01-09 15:39 分类：问答
How can I make an object construct itself at a particular location in memory? [duplicate]

This question already has answers here: Closed 12 years ago. 开发者_如何学Go Possible Duplicate: Create new C++ object at specific memory address?[详细]

2023-01-07 02:19 分类：问答
Generic allocator class without variadic templates?

I am trying to write a generic allocator class that does not really release an object\'s memory when it is free()\'d but holds it in a queue and returns a previously allocated object if a new one is r[详细]

2022-12-25 21:30 分类：问答
shared memory STL maps

I am writing an Apache module in C++. I need to store the common data that all childs need to read as a portion of shared memory. Structure is kind of map of vectors, so I want to use STL map and vect[详细]

2022-12-25 15:02 分类：问答