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##### as_set

###### Description

Convert a fusion sequence to a `set`.

###### Synopsis

    template <typename Sequence>
    typename result_of::as_set<Sequence>::type
    as_set(Sequence& seq);

    template <typename Sequence>
    typename result_of::as_set<Sequence const>::type
    as_set(Sequence const& seq);

###### Parameters

Parameter | Requirement | Description
--- | --- | ---
`seq` | An instance of Sequence | The sequence to convert.

###### Expression Semantics

    as_set(seq);

Return type: `result_of::as_set``<Sequence>::type`

Semantics: Convert a fusion sequence, `seq`, to a `set`.

Precondition: There may be no duplicate key types.

###### Header

    #include <boost/fusion/container/set/convert.hpp>
    #include <boost/fusion/include/as_set.hpp>

###### Example

    as_set(make_vector('x', 123, "hello"))