<a name="beast.ref.boost__beast__http__is_mutable_body_writer"></a><a class="link" href="boost__beast__http__is_mutable_body_writer.html" title="http::is_mutable_body_writer">http::is_mutable_body_writer</a>
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<p>
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Determine if a type has a nested <span class="emphasis"><em>BodyWriter</em></span>.
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