__cpp_lib_containers_ranges202202L(C++23)Ranges construction and insertion for containers Example Run this code #include <iostream>#include <string>#include <unordered_map>intmain(){// Create an unordered_map of three strings (that map to strings)std::unordered_map<std::string,std::string>...
' << i; return os << " }\n"; } int main() { std::unordered_map<std::string, std::string> m1{{"γ", "gamma"}, {"β", "beta"}, {"α", "alpha"}, {"γ", "gamma"}}, m2{{"ε", "epsilon"}, {"δ", "delta"}, {"ε", "epsilon"}}; const auto& ref = *(m...
std::unordered_map Member types Member functions unordered_map::unordered_map unordered_map::~unordered_map unordered_map::operator= unordered_map::get_allocator Iterators unordered_map::beginunordered_map::cbegin unordered_map::endunordered_map::cend Capacity unordered_map::size unordered_map::max_...
vs低版本转高版本,std::getline报错,如下 提示 error C2027: 使用了未定义类型“std::basic_i...
[12] 「函数实参...如《Effective Modren C++》举的例子: std::unordered_mapstd::string,int> m; ... for(const std::pairstd::string...,int>& p : m) { ... } std::unordered_map 的key是一个常量,所以std::pair的类型不是std::pairstd::string,int>而是 std:...:pairstd:...
unordered_set 哈希表 插入、删除、查找 O(1) 最差 O(n) 无序 不可重复 unordered_multiset 哈希表 插入、删除、查找 O(1) 最差 O(n) 无序 可重复 unordered_map 哈希表 插入、删除、查找 O(1) 最差 O(n) 无序 不可重复 unordered_multimap 哈希表 插入、删除、查找 O(1) 最差 O(n) 无...
#include <string> #include <typeinfo> #include <unordered_map> struct A { virtual ~A() {} }; struct B : A {}; struct C : A {}; using TypeInfoRef = std::reference_wrapper<const std::type_info>; struct Hasher { std::size_t operator()(TypeInfoRef code) const { return code....
std::unordered_map<uint64_t, std::string> &DWOIdToName) { llvm::Optional<uint64_t> DWOId = CU.getDWOId(); std::optional<uint64_t> DWOId = CU.getDWOId(); assert(DWOId && "DWO ID not found."); (void)DWOId; auto NameIter = DWOIdToName.find(*DWOId); @@ -198,7 +198...
voidndt::typevar_type::get_vars(std::unordered_set<std::string> &vars)const{ vars.insert(m_name.str()); } 开发者ID:Laeeth,项目名称:libdynd,代码行数:4,代码来源:typevar_type.cpp 示例3: index_object ▲点赞 1▼ voidconcept_indexer::index_object(object& o, model& m,std::unordered_se...
unordered_map<> (C++11 起)unordered_multimap<> (C++11 起)unordered_multiset<> (C++11 起)unordered_set<> (C++11 起)unreachable_sentinel (C++20 起)unreachable_sentinel_t (C++20 起)unsigned_integral<> (C++20 起)unwrap_ref_decay<> (C++20 起)unwrap_ref_decay_t<> (C++20 起)unwrap_...