Function solicit::http::client::write_preface

pub fn write_preface<W: Write>(stream: &mut W) -> Result<(), Error>

Writes the client preface to the given io::Write instance.

According to the HTTP/2 spec, a client preface is first a specific sequence of octets, followed by a settings frame.

This helper method can be utilized by different transport layer implementations to prepare the preface that needs to be written before initializing an HttpConnection instance.

Returns

Any error raised by the underlying io::Write instance is propagated.