Struct Query 

pub struct Query<P, T> { /* private fields */ }

One query subscription with its parameter versions.

Implementations

impl<P: Clone, T: Clone> Query<P, T>

pub fn new() -> Self

pub fn state(&self) -> &Resource<T>

pub fn params(&self) -> Option<&P>

pub fn version(&self) -> u64

Version of the current parameters.

pub fn discarded(&self) -> u64

Results that arrived too late and were dropped.

pub fn request(&mut self, params: P) -> Ticket

Ask for params. The previous request is cancelled; data already shown stays visible while the new request loads.

pub fn resolve( &mut self, ticket: &Ticket, result: Result<T, CommandError>, ) -> Resolution

A provider answered ticket. Only the current version is applied.

pub fn end(&mut self)

The owner of the subscription ended, for example its page closed. The request in flight is cancelled and later results are dropped.

Trait Implementations

impl<P: Debug, T: Debug> Debug for Query<P, T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<P, T> Default for Query<P, T>

fn default() -> Self

Returns the “default value” for a type.