ft_containers

My c++ STL containers (c++98) STL의 메소드들에 맞게, snake_case 사용 라이브러리에서만 사용되는 메소드, 클래스는 __class_name 과 같은 형태로 작성 외부로 공개되지 않는 변수는 _variable_name 과 같은 형태로 작성 format는 google style guide에 따름 private한 클래스 __class_name private한 type은 _Type_Name private 멤버 변수 _variable_name private한 함수의 지역변수 __variable_name c++98 기준 모든 기능 구현 같은 exception-safety를 보장 c++98로 가능한 Template Meta Programming 최대한 활용 프로그래밍에 있어 자주 사용하는 자료구조들을 class template로 만들어 둬서 다른 object들을 element로 자료구조에 맞게 저장해줌.

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first_argument_type 과 second_argument_type 이라는 두 가지 유형을 갖도록 조정해야합니다 . binary_function 에서 두 개의 인수를 사용하는 함수 객체를 파생 하면 해당 어댑터와 호환되도록하는 쉬운 방법입니다.

키 값 비교를 통해 맵의 요소를 비교하여 map 내의 상대 순서를 확인할 수 있는 함수 개체를 제공합니다. class value_compare : public binary_function { public: bool operator()(const value_type& left, const value_type& right) const; value_compare(key_compare pred) : comp(pred); protected: key_compare comp; }; 맵에 value_compare 포함된 전체 요소 간에 value_types 제공되는 비교 기준은 보조 클래스 생성에 의해 해당 요소의 키 간의 비교에서 유도됩니다.

The following code compiles just fine: (Without namespace) #include template void foo(const int & from, std::vector & to) { for (int i = 0; i bars; }; void foo(const int & from, Bar & to) { to.a = from; to.b = from - 1; } void foo(const int & from, Baz & to) { foo(from, to.bars); } void fooTest() { int num = 10; Baz baz; foo(num, baz); } int main() { fooTest(); } But when I introduce namespace for Bar and Baz, it fails to compile.

(See here also for my C++11 answer) In order to parse a C++ program, the compiler needs to know whether certain names are types or not. The following example demonstrates that: How should this be parsed? For many languages a compiler doesn't need to know the meaning of a name in order to parse and basically know what action a line of code does.

이 글은 SFINAE and 여기 에 실린 enable_if 글을 바탕으로 쓰였습니다. C++ 에서 템플릿과 함수의 오버로딩을 같이 사용한다면, 한 가지 고려해야할 문제가 있습니다. 바로 템플릿이 생각보다 너무 똑똑해서, 함수의 오버로딩과 같이 사용했을 때 예상치 못한 결과를 나을 때가 종종 있습니다. 아래 예제를 보실까요. 여러분이 foo(42) 수행 시에 어떤 메세지가 호출될까요?

I am implementing a Python console application, which uses ANSI escape codes to colorize various things. I develop on Pop OS (an Ubuntu derivative), and colorization works as designed. I just tried the app on a Centos machine, and while the colors come out correctly, there is additional text (tiny boxes containing digits, stacked vertically), surrounding the colorized text, that apparently corresponds to the escape codes.

The performance benefit is from not having to reopen the file once the #pragma once have been read. With guards, the compiler have to open the file (that can be costly in time) to get the information that it shouldn't include it's content again.

6.3. Variables and Data Types The main functions in the previous sections demonstrate that even the simplest of C programs include operations on data, even if it is just writing ... - Selection from Beginning Mac OS® X Programming [Book]

std::reverse_iterator is an iterator adaptor that reverses the direction of a given iterator, which must be at least a LegacyBidirectionalIterator . In other words, when provided with a bidirectional iterator, std::reverse_iterator produces a new iterator that moves from the end to the beginning of the sequence defined by the underlying bidirectional iterator.

The std::allocator class template is the default used by all standard library containers if no user-specified allocator is provided. The default allocator is stateless, that is, all instances of the given allocator are interchangeable, compare equal and can deallocate memory allocated by any other instance of the same allocator type.

The allocator_traits class template provides the standardized way to access various properties of Allocators. The standard containers and other standard library components access allocators through this template, which makes it possible to use any class type as an allocator, as long as the user-provided specialization of allocator_traits implements all required functionality.

base() converts a reverse iterator into the corresponding forward iterator. However, despite its simplicity, this correspondence is not as trivial as one might thing. When a reverse iterator points at one element, it dereferences the previous one, so the element it physically points to and the element it logically points to are different.