boost::geometry::index::indexable

operator()(Value const &)

The function object extracting Indexable from Value.

Description

It translates Value object to Indexable object. The default version handles Values which are Indexables. This template is also specialized for std::pair<Indexable, T2> and boost::tuple<Indexable, ...>.

Header

#include <boost/geometry/index/indexable.hpp>

Synopsis

template<typename Value>
struct indexable
{
  // ...
};

Template parameter(s)

Parameter	Description
`Value`	The Value type which may be translated directly to the Indexable.

Typedef(s)

Type	Description
`result_type`	The type of result returned by function object.

Member(s)

Modifier	Function	Description
`const`	`operator()(Value const &)`	Return indexable extracted from the value.

operator()(Value const &)

Return indexable extracted from the value.

Synopsis

result_type operator()(Value const & v)

Modifier(s)

const

Parameter(s)

Type	Name	Description
`Value const &`	`v`	The value.

Returns

The indexable.