mio::has_duplicates< Types > Struct Template Reference

Tests whether the list Types contains any type multiple times. More...

#include <metaprogramming.h>

Static Public Attributes
static constexpr bool	value = has_duplicates_impl(std::make_index_sequence<sizeof...(Types)>{})

Static Private Member Functions
template<std::size_t... Indices>
static constexpr bool	has_duplicates_impl (std::index_sequence< Indices... >)
	Checks if Types has a duplicate entry using an index sequence. More...

Detailed Description

template<class... Types>
struct mio::has_duplicates< Types >

Tests whether the list Types contains any type multiple times.

Template Parameters

Types

A list of types.

Member Function Documentation

has_duplicates_impl()

template<class... Types>

template<std::size_t... Indices>

static constexpr bool mio::has_duplicates< Types >::has_duplicates_impl ( std::index_sequence< Indices... >  )

inlinestaticconstexprprivate

Checks if Types has a duplicate entry using an index sequence.

Template Parameters

Indices

Exactly the list '0, ... , sizeof...(Types) - 1'. Use std::make_index_sequence.

Returns

True if Types contains a duplicate type, false otherwise.

Member Data Documentation

value

template<class... Types>

constexpr bool mio::has_duplicates< Types >::value = has_duplicates_impl(std::make_index_sequence<sizeof...(Types)>{})

staticconstexpr