pub struct WebSocket<S, Query, Mutation, Subscription, OnInit> { /* private fields */ }
Expand description

A GraphQL connection over websocket.

References

Implementations

Create a new websocket from ClientMessage stream.

Create a new websocket from bytes stream.

Specify a connection data.

This data usually comes from HTTP requests. When the GQL_CONNECTION_INIT message is received, this data will be merged with the data returned by the closure specified by with_initializer into the final subscription context data.

Specify a connection initialize callback function.

This function if present, will be called with the data sent by the client in the GQL_CONNECTION_INIT message. From that point on the returned data will be accessible to all requests.

Trait Implementations

Values yielded by the stream.
Attempt to pull out the next value of this stream, registering the current task for wakeup if the value is not yet available, and returning None if the stream is exhausted. Read more
Returns the bounds on the remaining length of the stream. Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Attaches the provided Context to this type, returning a WithContext wrapper. Read more
Attaches the current Context to this type, returning a WithContext wrapper. Read more
Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
Instruments this type with the current Span, returning an Instrumented wrapper. Read more
Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
Instruments this type with the current Span, returning an Instrumented wrapper. Read more

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Should always be Self
Creates a future that resolves to the next item in the stream. Read more
Converts this stream into a future of (next_item, tail_of_stream). If the stream terminates, then the next item is None. Read more
Maps this stream’s items to a different type, returning a new stream of the resulting type. Read more
Creates a stream which gives the current iteration count as well as the next value. Read more
Filters the values produced by this stream according to the provided asynchronous predicate. Read more
Filters the values produced by this stream while simultaneously mapping them to a different type according to the provided asynchronous closure. Read more
Computes from this stream’s items new items of a different type using an asynchronous closure. Read more
Transforms a stream into a collection, returning a future representing the result of that computation. Read more
Converts a stream of pairs into a future, which resolves to pair of containers. Read more
Concatenate all items of a stream into a single extendable destination, returning a future representing the end result. Read more
Drives the stream to completion, counting the number of items. Read more
Repeats a stream endlessly. Read more
Execute an accumulating asynchronous computation over a stream, collecting all the values into one final result. Read more
Execute predicate over asynchronous stream, and return true if any element in stream satisfied a predicate. Read more
Execute predicate over asynchronous stream, and return true if all element in stream satisfied a predicate. Read more
Flattens a stream of streams into just one continuous stream. Read more
Flattens a stream of streams into just one continuous stream. Polls inner streams concurrently. Read more
Maps a stream like StreamExt::map but flattens nested Streams. Read more
Maps a stream like StreamExt::map but flattens nested Streams and polls them concurrently, yielding items in any order, as they made available. Read more
Combinator similar to StreamExt::fold that holds internal state and produces a new stream. Read more
Skip elements on this stream while the provided asynchronous predicate resolves to true. Read more
Take elements from this stream while the provided asynchronous predicate resolves to true. Read more
Take elements from this stream until the provided future resolves. Read more
Runs this stream to completion, executing the provided asynchronous closure for each element on the stream. Read more
Runs this stream to completion, executing the provided asynchronous closure for each element on the stream concurrently as elements become available. Read more
Creates a new stream of at most n items of the underlying stream. Read more
Creates a new stream which skips n items of the underlying stream. Read more
Fuse a stream such that poll_next will never again be called once it has finished. This method can be used to turn any Stream into a FusedStream. Read more
Borrows a stream, rather than consuming it. Read more
Catches unwinding panics while polling the stream. Read more
Wrap the stream in a Box, pinning it. Read more
Wrap the stream in a Box, pinning it. Read more
An adaptor for creating a buffered list of pending futures. Read more
An adaptor for creating a buffered list of pending futures (unordered). Read more
An adapter for zipping two streams together. Read more
Adapter for chaining two streams. Read more
Creates a new stream which exposes a peek method. Read more
An adaptor for chunking up items of the stream inside a vector. Read more
An adaptor for chunking up ready items of the stream inside a vector. Read more
A future that completes after the given stream has been fully processed into the sink and the sink has been flushed and closed. Read more
Splits this Stream + Sink object into separate Sink and Stream objects. Read more
Do something with each item of this stream, afterwards passing it on. Read more
Wrap this stream in an Either stream, making it the left-hand variant of that Either. Read more
Wrap this stream in an Either stream, making it the right-hand variant of that Either. Read more
A convenience method for calling [Stream::poll_next] on Unpin stream types. Read more
Returns a Future that resolves when the next item in this stream is ready. Read more
A convenience for calling [Stream::poll_next()] on !Unpin types.
Retrieves the next item in the stream. Read more
Retrieves the next item in the stream. Read more
Counts the number of items in the stream. Read more
Maps items of the stream to new values using a closure. Read more
Maps items to streams and then concatenates them. Read more
Concatenates inner streams. Read more
Maps items of the stream to new values using an async closure. Read more
Keeps items of the stream for which predicate returns true. Read more
Filters and maps items of the stream using a closure. Read more
Takes only the first n items of the stream. Read more
Takes items while predicate returns true. Read more
Skips the first n items of the stream. Read more
Skips items while predicate returns true. Read more
Yields every stepth item. Read more
Appends another stream to the end of this one. Read more
Clones all items. Read more
Copies all items. Read more
Collects all items in the stream into a collection. Read more
Collects all items in the fallible stream into a collection. Read more
Partitions items into those for which predicate is true and those for which it is false, and then collects them into two collections. Read more
Accumulates a computation over the stream. Read more
Accumulates a fallible computation over the stream. Read more
Maps items of the stream to new values using a state value and a closure. Read more
Fuses the stream so that it stops yielding items after the first None. Read more
Repeats the stream from beginning to end, forever. Read more
Enumerates items, mapping them to (index, item). Read more
Calls a closure on each item and passes it on. Read more
Gets the nth item of the stream. Read more
Returns the last item in the stream. Read more
Finds the first item of the stream for which predicate returns true. Read more
Applies a closure to items in the stream and returns the first Some result. Read more
Finds the index of the first item of the stream for which predicate returns true. Read more
Tests if predicate returns true for all items in the stream. Read more
Tests if predicate returns true for any item in the stream. Read more
Calls a closure on each item of the stream. Read more
Calls a fallible closure on each item of the stream, stopping on first error. Read more
Zips up two streams into a single stream of pairs. Read more
Collects a stream of pairs into a pair of collections. Read more
Merges with other stream, preferring items from self whenever both streams are ready. Read more
Merges with other stream, with no preference for either stream when both are ready. Read more
Boxes the stream and changes its type to dyn Stream + Send + 'a. Read more
Boxes the stream and changes its type to dyn Stream + 'a. Read more
The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.
Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more