hunk.code_window:     const expected =  '----------(w|)';
       const predicate = function (x, y) {
         return x < y ? x : y;
       };
  
hunk.labels: keep keep keep replace keep keep
hunk.after_edit:       return x > y ? -1 : 1;
  
hunk.file_path: spec/operators/min-spec.ts
hunk.type: replace
file: import { Observable } from '../Observable';
  import { ReduceOperator } from './reduce';
  
  /**
   * The Min operator operates on an Observable that emits numbers (or items that can be evaluated as numbers),
   * and when source Observable completes it emits a single item: the item with the smallest number.
   *
   * <img src="./img/min.png" width="100%">
   *
   * @param {Function} optional comparer function that it will use instead of its default to compare the value of two items.
   * @return {Observable<R>} an Observable that emits item with the smallest number.
   * @method min
   * @owner Observable
   */
  export function min<T>(comparer?: (x: T, y: T) => T): Observable<T> {
    const min: typeof comparer = (typeof comparer === 'function')
      ? comparer
      : (x, y) => x < y ? x : y;
    return this.lift(new ReduceOperator(min));
  }
  
  export interface MinSignature<T> {
    (comparer?: (x: T, y: T) => T): Observable<T>;
  }
  