decrease method
- FinderBase<
SemanticsNode> finder
Performs a SemanticsAction.decrease action on the SemanticsNode
found by finder.
Throws a StateError if:
- The given
finderreturns zero or more than one result. - The SemanticsNode found with
finderdoes not support SemanticsAction.decrease.
Implementation
void decrease(finders.FinderBase<SemanticsNode> finder) {
performAction(finder, SemanticsAction.decrease);
}