elc::defs::memory::get_n::get_forward_resize_t结构体 参考

elc::defs::memory::get_n::get_forward_resize_t 的协作图:

类
struct	insert_resize_t
struct	insert_t

Public 成员函数
template<typename T > requires able<T>
void	operator() (T *&arg, size_t to_size) const noexcept(nothrow< T >)
template<typename T > requires able<T>
T *	operator() (T *&&arg, size_t to_size) const noexcept(nothrow< T >)

静态 Public 成员函数
template<typename T > requires able<T>
static void	base_call (T *&arg, const size_t to_size) noexcept(nothrow< T >)

静态 Public 属性
template<typename T >
static constexpr bool	able =construct<T>.able<>&&destruct.able<T>&&move.able<T>
template<typename T >
static constexpr bool	nothrow =type_info<T>. template not_has_has_attribute_helper< abstract_base >()&&construct<T>.nothrow<>&&destruct.nothrow<T>&&move.nothrow<T>
static constexpr struct elc::defs::memory::get_n::get_forward_resize_t::insert_t	insert
static constexpr struct elc::defs::memory::get_n::get_forward_resize_t::insert_resize_t	insert_with_resize

详细描述

在文件 all_defs.cpp 第 21916 行定义.

成员函数说明

base_call()

template<typename T >
requires able<T>

static void elc::defs::memory::get_n::get_forward_resize_t::base_call ( T *&  arg, const size_t  to_size  )

inlinestaticnoexcept

在文件 all_defs.cpp 第 21923 行定义.

                                                                              {
            const APIs::alloc::source_location_guard slg{1};
            if constexpr(type_info<T>.has_attribute(never_in_array)){
                template_warning("For never_in_array type,get_forward_resize will unget ptr when new_size=0 else do nothing.");
                if(to_size)
                    return;
                unget(arg);
                arg=null_ptr;
            }elseif constexpr(type_info<T>.has_attribute(abstract_base)){
                arg=attribute_ptr_cast<abstract_base>(arg)->abstract_method_get_forward_resize_this(to_size);
            }else{
                const size_t from_size=get_size_of_alloc(arg);
                if(from_size==to_size)
                    return;
                elseif(from_size > to_size){
                    destruct[from_size-to_size](arg);
                    forward_alloc_size_cut(arg,to_size);
                }elseif(from_size){
                    forward_alloc_size_grow(arg,to_size);
                    construct<T>[arg][to_size-from_size]();
                }else
                    arg=get<T>[to_size]();
            }
        }

函数调用图:

operator()() [1/2]

template<typename T >
requires able<T>

T * elc::defs::memory::get_n::get_forward_resize_t::operator() ( T *&&  arg, size_t  to_size  ) const

inlinenoexcept

在文件 all_defs.cpp 第 21953 行定义.

                                                                                           {
            base_call(arg,to_size);
            return arg;
        }

operator()() [2/2]

template<typename T >
requires able<T>

void elc::defs::memory::get_n::get_forward_resize_t::operator() ( T *&  arg, size_t  to_size  ) const

inlinenoexcept

在文件 all_defs.cpp 第 21949 行定义.

                                                                               {
            base_call(arg,to_size);
        }

类成员变量说明

able

template<typename T >

constexpr bool elc::defs::memory::get_n::get_forward_resize_t::able =construct<T>.able<>&&destruct.able<T>&&move.able<T>

staticconstexpr

在文件 all_defs.cpp 第 21918 行定义.

insert

constexpr struct elc::defs::memory::get_n::get_forward_resize_t::insert_t elc::defs::memory::get_n::get_forward_resize_t::insert

static

insert_with_resize

constexpr struct elc::defs::memory::get_n::get_forward_resize_t::insert_resize_t elc::defs::memory::get_n::get_forward_resize_t::insert_with_resize

static

nothrow

template<typename T >

constexpr bool elc::defs::memory::get_n::get_forward_resize_t::nothrow =type_info<T>. template not_has_has_attribute_helper< abstract_base >()&&construct<T>.nothrow<>&&destruct.nothrow<T>&&move.nothrow<T>

staticconstexpr

在文件 all_defs.cpp 第 21920 行定义.

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该结构体的文档由以下文件生成:

• docs/all_defs.cpp