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TTstl

看《STL源码剖析》和部分g++源码,自己尝试模仿实现。g++版本为:g++ (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0

文件及内容:

  • stl_iterator_base_types.h

    定义了5种迭代器类型(iterator_category),iterator_traits,及迭代器定义模板iterator

  • stl_iterator_base_funcs.h

    定义了4个对迭代器操作的函数distance(first, last), advance(itr, n), next(itr, n=1), prev(itr, n=1)

  • type_traits.h

    定义了type_traits,包括4个判定类型

    1. has_trivial_default_constructor
    2. has_trivial_copy_constructor
    3. has_trivial_assignment_operator
    4. has_trivial_destructor
    5. is_POD_type

    用来帮助代码提速。

  • stl_uninitialized.h

    定义了内存构造的函数,包括:

    1. ForwardIterator uninitialized_copy(InputIterator first, InputIterator last, ForwardIterator result)
    2. void uninitialized_fill(ForwardIterator first, ForwardIterator last, const T &x)
    3. ForwardIterator uninitialized_copy_n(InputIterator first, Size count, ForwardIterator result)
    4. ForwardIterator uninitialized_fill_n(ForwardIterator first, Size count, const T &x)
  • stl_algobase.h

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Implement of some algorithms.

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