std::experimental::basic_string_view<CharT,Traits>:: at
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basic string view
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std::experimental::basic_string_view
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constexpr
const_reference at
(
size_type pos
)
const
;
|
(库基础技术规范) | |
返回指定位置
pos
处字符的引用。执行边界检查,无效访问时将抛出
std::out_of_range
类型的异常。
目录 |
参数
| pos | - | 要返回字符的位置 |
返回值
对请求字符的引用。
异常
若 pos >= size ( ) 则抛出 std::out_of_range 。
复杂度
常量。
参见
|
访问指定字符
(公开成员函数) |