handleCloseToTrailingBegin method
handle closeToTrailing at begin
Implementation
void handleCloseToTrailingBegin(bool closeToTrailing) {
_closeToTrailingDistance = null;
// if (closeToTrailing) {
// RenderBox child = firstChild;
// SliverMultiBoxAdaptorParentData childParentData =
// child.parentData as SliverMultiBoxAdaptorParentData;
// if (childParentData.index == 0 && childParentData.layoutOffset != 0) {
// final double distance = childParentData.layoutOffset;
// while (child != null) {
// childParentData = child.parentData as SliverMultiBoxAdaptorParentData;
// childParentData.layoutOffset -= distance;
// child = childAfter(child);
// }
// }
// }
}