Cpp 中的 struct 不同于 C 中的 struct,cpp 的 struct 被扩展为类似 class 的类说明符。 结构体是一系列成员元素的组合体,允许存储不同类型的数据项,成员变量可以是各种数据类型,包括整数、浮点数、字符串、其他结构体等,所以你可以根据需要定义自己的结构体来组织数据。 定义结构体 cpp structMyStruct{/
rfl::NamedTuple: Similar to std::tuple, but with named fields that can be retrieved via their name at compile time. rfl::Ref: Similar to std::shared_ptr, but (almost) guaranteed to never be null. rfl::Result: Allows for exception-free programming. rfl::TaggedUnion: Similar to std::va...
reflect-cpp returns clear and comprehensive error messages: conststd::string faulty_json_string =R"({"firstName":"Homer","lastName":12345,"town":"Springfield","birthday":"04/19/1987","age":145,"email":"homer(at)simpson.com"})";constautoresult = rfl::json::read<Person>(faulty_json_...
1#include"libp2p/basic/message_read_writer_error.hpp"23OUTCOME_CPP_DEFINE_CATEGORY(libp2p::basic, MessageReadWriterError, e) {4usingE =libp2p::basic::MessageReadWriterError;5switch(e) {6caseE::SUCCESS:7return"success";8caseE::BUFFER_IS_EMPTY:9return"empty buffer provided";10caseE::VARIN...
void operator()(){}; }; int main() { vector<double> some_vec{1, 2, 3, 4, 5, 6}; vector<double> vec2{10, 11, 12, 13, 14, 15}; thread t1{f, ref(some_vec)};// thread的可变参数模板构造函数。using the reference wraper with thread thread t2{FF{vec2}};// 以值传递的...
atomic_ref(C++20)−memory_order Mutual exclusion−Condition variables Futures−Semaphores(C++20) latch(C++20)−barrier(C++20) Safe Reclamation(C++26) Execution support library(C++26) Feature test macros(C++20) Language−Standard library−Headers ...
(202502L, __cpp_lib_constexpr_deque) COMPILER_FEATURE_ENTRY(202502L, __cpp_lib_constexpr_exceptions) COMPILER_FEATURE_ENTRY(202502L, __cpp_lib_constexpr_flat_map) COMPILER_FEATURE_ENTRY(202502L, __cpp_lib_constexpr_flat_set) COMPILER_FEATURE_ENTRY(202502L, __cpp_lib_constexpr_forward_...
std::vector<int> c_vector {1, 2, 3, 4}; json j_vec(c_vector); // [1, 2, 3, 4] std::deque<double> c_deque {1.2, 2.3, 3.4, 5.6}; json j_deque(c_deque); // [1.2, 2.3, 3.4, 5.6] std::list<bool> c_list {true, true, false, true}; json j_list(c_list); //...
最近项目急需C++ 的知识结构,虽说我有过快速学习很多新语言的经验,但对于C++ 老特工我还需保持敬畏(内容太多),本文会从一个Java程序员的角度,制定高效学习路线快速入门C++ 。 Java是为了就业,C++ 是信仰。(C++ 是教学、信仰、商业这三个原本互斥的概念(这三个概念也是三个阶段,正好可以陪我们一起成长)的偏偏集合...
deque::~deque deque::operator= deque::assign deque::assign_range (C++23) deque::get_allocator Element access deque::at deque::operator[] deque::front deque::back Iterators deque::begindeque::cbegin (C++11) deque::enddeque::cend (C++11) ...