BufferTestStreamTransformer<T> class

Creates a Stream where each item is a List containing the items from the source sequence, batched whenever test passes.

Example

Stream.periodic(const Duration(milliseconds: 100), (int i) => i)
  .bufferTest((i) => i % 2 == 0)
  .listen(print); // prints [0], [1, 2] [3, 4] [5, 6] ...

Constructors

BufferTestStreamTransformer(bool test(T value))

Constructs a StreamTransformer which buffers events into a List and emits this List whenever the test Function yields true.

Properties

hashCode → int

The hash code for this object.

read-only, inherited

runtimeType → Type

A representation of the runtime type of the object.

read-only, inherited

Methods

bind(Stream<T> stream) → Stream<List<T>>

Transforms the provided stream.

inherited

cast<RS, RT>() → StreamTransformer<RS, RT>

Provides a StreamTransformer<RS, RT> view of this stream transformer.

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a non-existent method or property is accessed.

inherited

toString() → String

Returns a string representation of this object.

inherited

Operators

operator ==(dynamic other) → bool

The equality operator.

inherited