Function setTStylingRangePrev

packages/core/src/render3/interfaces/styling.ts:176–184

(
  tStylingRange: TStylingRange,
  previous: number,
)

}

export function setTStylingRangePrev(
  tStylingRange: TStylingRange,
  previous: number,
): TStylingRange {
  ngDevMode && assertNumber(tStylingRange, 'expected number');
  ngDevMode && assertNumberInRange(previous, 0, StylingRange.UNSIGNED_MASK);
  return ((tStylingRange & ~StylingRange.PREV_MASK) |
    (previous << StylingRange.PREV_SHIFT)) as TStylingRange;
}

export function setTStylingRangePrevDuplicate(tStylingRange: TStylingRange): TStylingRange {
  ngDevMode && assertNumber(tStylingRange, 'expected number');