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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(message<isRequest, Body, Fields> const&)
{
    static_assert(is_body_writer<Body>::value,
        "Cannot serialize Body, no reader");
}

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