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http::is_body_writer

Determine if a type has a nested BodyWriter.

Synopsis

Defined in header <boost/beast/http/type_traits.hpp>

template<
    class T>
using is_body_writer = see-below;
Description

This alias template is std::true_type when:

Template Parameters

Type

Description

T

The body type to test.

Example
template < bool isRequest, class Body, class Fields>
void check_can_serialize([link beast.ref.boost__beast__http__message `message<isRequest, Body, Fields>`] const &)
{
    static_assert ([link beast.ref.boost__beast__http__is_body_writer `is_body_writer<Body>::value`],
        "Cannot serialize Body, no reader" );
}

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