optional.hpp File Reference

Imports of optional and nullopt_t types, as well as the nullopt constexpr. More...

#include <zk/config.hpp>
#include <optional>

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Typedefs
template<typename T >
using	zk::optional = std::optional< T >
using	zk::nullopt_t = std::nullopt_t

Functions
template<typename FUnary , typename... T>
auto	zk::map (FUnary &&transform, const optional< T > &...x) -> optional< decltype(transform(x.value()...))>
	Apply transform with the arguments in x iff all of them have a value. Otherwise, nullopt will be returned. More...
template<typename T >
optional< T >	zk::some (T x)

Detailed Description

Imports of optional and nullopt_t types, as well as the nullopt constexpr.

These are std::optional, std::nullopt_t, and std::nullopt, respectively.

Definition in file optional.hpp.