Selection.ItemsAdded=Signal.new()Selection.ItemsRemoved=Signal.new()Selection.PartsAdded=Signal.new()Selection.PartsRemoved=Signal.new()Selection.FocusChanged=Signal.new()Selection.Cleared=Signal.new()Selection.Changed=Signal.new()function Selection.IsSelected(Y)return Selection.ItemIndex[Y]end

Selection.ItemsAdded = Signal.new()
Selection.ItemsRemoved = Signal.new()
Selection.PartsAdded = Signal.new()
Selection.PartsRemoved = Signal.new()
Selection.FocusChanged = Signal.new()
Selection.Cleared = Signal.new()
Selection.Changed = Signal.new()

function Selection.IsSelected(Item)
	-- Returns whether `Item` is selected or not

	-- Check and return item presence in index
	return Selection.ItemIndex[Item];

end;
