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majkovs.Icesyst

and, or and xor without "&&" and "||"

Code
Diff
  • #include <functional>

bool Or(bool a, bool b){
	return std::logical_or<>()(a, b);
}

bool Xor(bool a, bool b){
	return std::not_equal_to<>()(a, b);
}

bool And(bool a, bool b){
	return std::logical_and<>()(a, b);
}
    • #include <functional>
    • bool Or(bool a, bool b){
    • if(!a){
    • if(!b){
    • return false;
    • }
    • }
    • return true;
    • return std::logical_or<>()(a, b);
    • }
    • bool Xor(bool a, bool b){
    • return a != b;
    • return std::not_equal_to<>()(a, b);
    • }
    • bool And(bool a, bool b){
    • if(a){
    • if(b){
    • return true;
    • }
    • }
    • return false;
    • return std::logical_and<>()(a, b);
    • }
majkovs.oxcd8o

add without '+'

Code
Diff
  • template<typename T>
T add(const T& a, const T &b){
	return std::plus<T>()(a, b);
}
    • template<typename T>
    • T add(const T& a, const T &b){
    • return a-(-b);
    • return std::plus<T>()(a, b);
    • }