SingleOperator<T> extension

on

• Observable<T>

Methods

single() → Observable<T>

Available on Observable<T>, provided by the SingleOperator extension

Emits the single element of this Observable, or emits TooFewError if there was no element, or emits TooManyError if there was more than 1 element.

singleOrDefault({required T tooFew, required T tooMany}) → Observable<T>

Available on Observable<T>, provided by the SingleOperator extension

Emits the single element of this Observable, or emits tooFew if there was no element, or emits tooMany if there was more than 1 element.

singleOrElse({required Map0<T> tooFew, required Map0<T> tooMany}) → Observable<T>

Available on Observable<T>, provided by the SingleOperator extension

Emits the single element of this Observable, or evaluates the tooFew callback if there was no element, or evaluates the tooMany callback if there was more than 1 element.