ValueStreamExtensions<T> extension
Extensions to easily access value and error.
- on
-
- ValueStream<
T>
- ValueStream<
Properties
- error → Object?
-
Last emitted error, or null if no error added or value exists.
no setter
- hasError → bool
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A flag that turns true as soon as at an error event has been emitted.
no setter
- hasValue → bool
-
A flag that turns true as soon as at least one event has been emitted.
no setter
- requireError → Object
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Returns last emitted error, failing if there is no error.
Throws StateError if no error added or value exists.
no setter
- requireValue → T
-
Returns last emitted value, failing if there is no value.
Throws error if hasError.
Throws StateError, if neither
hasDatanor hasError.no setter - value → T?
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Returns last emitted value, or null if there has been no emission yet.
no setter