Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is an older version of Boost and was released in 2018. The current version is 1.91.0.

http::is_body

http::is_body

Determine if T meets the requirements of Body.

Synopsis

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

template<
    class T>
struct is_body :
    public std::integral_constant< bool,...>

Description

This metafunction is equivalent to std::true_type if T has a nested type named value_type.

Template Parameters

Type	Description
`T`	The body type to test.

Example

template<bool isRequest, class Body, class Fields>
void check_body(message<isRequest, Body, Fields> const&)
{
    static_assert(is_body<Body>::value,
        "Body requirements not met");
}

Convenience header <boost/beast/http.hpp>