pub trait Session:
Send
+ Sync
+ 'static {
// Required method
fn fetch(
&self,
request: &Request<Bytes>,
) -> impl Future<Output = Result<Response<Bytes>, Error>> + Send;
// Provided method
fn document(&self) -> Option<&dyn Document> { ... }
}Expand description
Fetches one request using a backend’s resources.
A successful fetch returns a complete response with an immutable Bytes
body. HTTP sessions return the received bytes; browser sessions return
an HTML snapshot captured after navigation. A live browser document is
a separate optional capability, accessed through Self::document.
Context caches the first successful response.
Required Methods§
Provided Methods§
Sourcefn document(&self) -> Option<&dyn Document>
fn document(&self) -> Option<&dyn Document>
Returns the live document capability, if this session has a DOM.
This reports support, not navigation state. Operations on the document may fail before a page is fetched. Fetch through the context before querying it; capture failures must not silently fall back to parsing the response snapshot.
Dyn Compatibility§
This trait is not dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety".