StartWithStreamTransformer<S> class

Prepends a value to the source Stream.

Example

Stream.fromIterable([2])
  .transform(StartWithStreamTransformer(1))
  .listen(print); // prints 1, 2
Inheritance

Constructors

StartWithStreamTransformer.new(S startValue)
Constructs a StreamTransformer which prepends the source Stream with startValue.

Properties

hashCode → int
The hash code for this object.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
startValue → S
The starting event of this Stream
final

Methods

bind(Stream<S> stream) → Stream<S>
Transforms the provided stream.
override
cast<RS, RT>() → StreamTransformer<RS, RT>
Provides a StreamTransformer<RS, RT> view of this stream transformer.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited