offsetIntervalBuilder function

_IntervalBuilder? offsetIntervalBuilder(
  1. _IntervalBuilder? iBuilder,
  2. int offset
)

Implementation

_IntervalBuilder? offsetIntervalBuilder(
    final _IntervalBuilder? iBuilder, final int offset) {
  if (offset == 0 || iBuilder == null) return iBuilder;
  assert(offset > 0);
  return (context, index, data) => iBuilder.call(context, index + offset, data);
}