(public member function ofstd::ranges::view_interface<D>) std::ranges::ref_view::ref_view template</*different-from*/<ref_view>T> requiresstd::convertible_to<T, R&>&& requires{_FUN(std::declval<T>());} constexpr
void fun(string a, string b) { std::cout << a + " " + b; } void fun(string a) { std::cout << a; } void fun(int a) { std::cout << a; }内置函数#include <iostream> #include <cmath> // 导入库 int main() { // sqrt() 来自 cmath std::cout << sqrt(9); }...
std::vector<widgets::checkbox> options; widgets::submit button; opts(); } Wrong Code: view plainprint? opts::opts() : button("send","Send") { for(i=0;i<10;i++) { options.push_back(widgets::checkbox("option_"+lexical_cast<string>(i), ...
struct std::formatter<Point> : std::formatter<std::string> { auto format(Point p, std::format_context& ctx) const { return std::formatter<std::string>::format( std::format("[{}, {}]", p.x, p.y), ctx); } }; int main() { std::cout << std::format("{}", Point{1.2f...
std::generator<Ref,V,Allocator>::iterator From cppreference.com <cpp |coroutine |generator The return type ofgenerator::begin. Modelsindirectly_readableandinput_iterator. Member types Member typeDefinition value_typestd::generator::value ...
std::generator<Ref,V,Allocator>:: From cppreference.com Pushescoroutine_into*active_stack, then evaluatescoroutine_.resume(). Before invocation ofbegin()thecoroutine_must refer to a coroutine suspended at itsinitial suspend point. Return value...
void locale (std::string const &name) cppcms::service & service () std::string skin () void skin (std::string const &name) void complete_response () void async_complete_response () void async_flush_output (handler const &h) void async_on_peer_reset (booster::callback< void()> con...
本人一直使用的日志类,支持3种输出方式(windows窗体,udp,常规文件),并格式化输出: 1 2 /* 3 nvlog.h 4 --- 5 application logger 6 2003.10 created scott 7 2005.09.10 rebuild scott 8 created RegFileWriter,UdpWriter,WindowWriter to distinguish log data type 9 2005.09.22 modified...
string - std::string String str bool 1 bool boolean True/False sequence std::vector Vector [] Array Array dictionary std::map HashMap {} HashMap Hash struct struct class class class function 1. module: 系统模块定义,同一个接口文件中可以包含多个module定义 ...
#include <bits/stdc++.h> using namespace std; class student { int score; int roll; string name; public: student() { score = 0; roll = 0; name = ""; } student(int sc, int ro, string nm) { score = sc; roll = ro; name = nm; } int get_score() { return score; } int...