Method isSelected

src/cdk-experimental/selection/selection-set.ts:56–58

(value: SelectableWithIndex<T>)

  ) {}

  isSelected(value: SelectableWithIndex<T>): boolean {
    return this._selectionMap.has(this._getTrackedByValue(value));
  }

  select(...selects: SelectableWithIndex<T>[]) {
    if (!this._multiple && selects.length > 1 && (typeof ngDevMode === 'undefined' || ngDevMode)) {