moveSelectionToStart method Null safety

void moveSelectionToStart(
  1. SelectionChangedCause cause

Move the current selection to the start of the field.

The given SelectionChangedCause indicates the cause of this change and will be passed to onSelectionChanged.

See also:


void moveSelectionToStart(SelectionChangedCause cause) {
  assert(selection != null);

  if (selection!.isCollapsed && selection!.extentOffset == 0) {
  const TextSelection nextSelection = TextSelection.collapsed(offset: 0);
  _setSelection(nextSelection, cause);