#include<vector> #include<iostream> template <typename T> class Stack { public: void push(const T& value); void pop(); T top(); int size() const { elem_.size(); }; bool empty() const { return elem_.empty(); }; void print(std::ostream & out) const; protected: std...
template<typename T> T max (T a, T b) { return b < a ? a : b; } namespace BigMath { class BigNumber { ... }; bool operator < (BigNumber const&, BigNumber const&); ... } using BigMath::BigNumber; void g (BigNumber const& a, BigNumber const& b) { ... BigNumber x = ...
template <typename T, typename Enable = void> struct trait; template <typename T> struct trait<T, std::enable_if_t<std::is_trivial<T>::value>> { // ... };This enables the specialization to depend on an arbitrary compile-time boolean expression (in fact on the syntactic validity of ...
template <typename T>std::stringasString(T x){ifconstexpr(std::is_same_v<T,std::string>){returnx;//如果T不是string就是无效的语句}elseifconstexpr(std::is_arithmetic_v<T>) {returnstd::to_string(x);//如果x不是数字就是无效的语句}else{returnstd::string(x);//如果不能转换为string就...
函数模板template﹤typename T﹥void Func(T,T)不能具有哪种实例化形式?( )A.void Func(int, int)B.void Fun
template<typename T> void Swap( T& left, T& right) { T temp = left; left = right; right = temp; } 1. 2. 3. 4. 5. 6. 7. 使用模版定义一个取较大值函数 template <typename T> T getMax(T a, T b) { return a > b ? a : b; ...
template<typename T, typename = std::enable_if_t< std::is_convertible_v<std::decay_t<T>, Contoso::Point>>> constexpr Point(T const& cpt) noexcept(noexcept(static_cast<Contoso::Point const&>(cpt))) : Point(convert(static_cast<Contoso::Point const&>(cpt))) {} ...
#include <gt_basic_defs.h> Detailed Description template<bool B, typename T = void> struct gtpin::EnableIf_< B, T > See also std::enable_if
template<typename F, typename = std::enable_if_t<std::is_enum_v<typename std::invoke_result_t<F, std::string>::value_type>, void>> std::set<typename std::invoke_result_t<F, std::string>::value_type> stringVectorToEnumSet(const std::vector<std::string> stringVector, F func) ...
template<typenameT>voidSwap( T& left, T& right){ T temp = left; left = right; right = temp; } 使用模版定义一个取较大值函数 template<typenameT>TgetMax(T a, T b){returna > b ? a : b; }intmain(){intmaxInt =getMax(2,5);// 使用函数模板实例化为 int 类型的函数doublemaxDoub...