- Fix link resolution with proper relative/absolute path handling - Improve link styling with underline decoration - Hide leaf nodes from tree, only show directories - Fix log file path for packaged app
1.1 KiB
1.1 KiB
String::Length / Capacity / Empty
SizeType Length() const;
SizeType Capacity() const;
bool Empty() const;
获取字符串的长度、容量和判空状态。
参数: 无
返回:
Length()- 返回字符串的字符数(不包括终止 null 字符)Capacity()- 返回已分配的存储容量Empty()- 如果字符串为空则返回true
复杂度: 均为 O(1)
示例:
#include "XCEngine/Containers/String.h"
#include <iostream>
int main() {
XCEngine::Containers::String s1;
std::cout << "Empty: " << s1.Empty() << std::endl; // 输出: Empty: 1
XCEngine::Containers::String s2("Hello");
std::cout << "Length: " << s2.Length() << std::endl; // 输出: Length: 5
std::cout << "Capacity: " << s2.Capacity() << std::endl; // 输出: Capacity: 6 或更大
s2.Reserve(100);
std::cout << "After Reserve(100), Capacity: " << s2.Capacity() << std::endl; // 输出: 100
return 0;
}
相关文档
- String 总览 - 返回类总览
- CStr - 获取 C 字符串
- Reserve / Resize - 内存管理