clearAll static method
void
clearAll()
Clear all trees from Fimber.
Implementation
static void clearAll() {
// un-plant each tree
_trees.values
.toSet()
.fold<List<LogTree>>(<LogTree>[], (buildList, newList) {
buildList.addAll(newList);
return buildList;
})
.toSet()
.forEach(unplantTree);
_trees.clear();
}