jh::meta::extension::key_traits< T > Struct Template Reference

Default key conversion traits. More...

#include <jh/metax/lookup_map.h>

Public Types
using	canonical_type = T
using	apparent_type = const T &

Static Public Member Functions
static constexpr canonical_type	to_canonical (apparent_type &v) noexcept
	Convert apparent value to canonical key.

Detailed Description

template<typename T>
struct jh::meta::extension::key_traits< T >

Default key conversion traits.

Defines canonical key type as T and accepts const T& as the apparent lookup input. Derived specializations may override conversion rules to enable heterogeneous lookup.

Template Parameters

T	Key canonical type.

Member Function Documentation

to_canonical()

template<typename T>

constexpr canonical_type jh::meta::extension::key_traits< T >::to_canonical ( apparent_type & v )

inlinestaticconstexprnoexcept

Convert apparent value to canonical key.

Parameters

v	Input key reference.

Returns

Canonical key value.

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The documentation for this struct was generated from the following file:

• include/jh/metax/lookup_map.h