BenBestmann

function suspend<T>(): OperatorFunction<T, SuspendedValue<T>> {
  return (source: Observable<T>) =>
    source.pipe(
      map((next) => ({
        value: next,
        isLoading: false,
        error: null
      })),
      catchError((error) => of({ error, isLoading: false, value: null })),
      startWith({ isLoading: true, value: null, error: null })

BenBestmann

class Car {
    constructor(opts) {
        this.model = opts.model;
        this.year = opts.year;
        this.miles = opts.miles;
    }
    toString() {
        return this.model + ' has driven ' + this.miles + ' miles';
    }
}

BenBestmann

function selectEntries(options) {
    options = options || {};
    var start = options.start || 0;
    var end = options.end || -1;
    var step = options.step || 1;
    // function implementation
}

selectEntries({ start: 3, end: 20, step: 2 });

BenBestmann

function takeChance(probability) {
    probability = probability / 100;
    return !!probability && Math.random() <= probability;
}