Struct y_combinator
Synopsis
#include <src/entt/core/utility.hpp>
template<class Func>
struct y_combinator
Description
Basic implementation of a y-combinator.
- Template Parameters
Func- Type of a potentially recursive function.
Mentioned in
- Core Functionalities / Utilities
Methods
| y_combinator | Constructs a y-combinator from a given function. | |
| operator() overload | Invokes a y-combinator and therefore its underlying function. |
Source
Lines 69-97 in src/entt/core/utility.hpp.
template<class Func>
struct y_combinator {
/**
* @brief Constructs a y-combinator from a given function.
* @param recursive A potentially recursive function.
*/
y_combinator(Func recursive)
: func{std::move(recursive)} {}
/**
* @brief Invokes a y-combinator and therefore its underlying function.
* @tparam Args Types of arguments to use to invoke the underlying function.
* @param args Parameters to use to invoke the underlying function.
* @return Return value of the underlying function, if any.
*/
template<class... Args>
decltype(auto) operator()(Args &&...args) const {
return func(*this, std::forward<Args>(args)...);
}
/*! @copydoc operator()() */
template<class... Args>
decltype(auto) operator()(Args &&...args) {
return func(*this, std::forward<Args>(args)...);
}
private:
Func func;
};