howl.ui.Popup
(resource management)
child = Gtk.Box Gtk.ORIENTATION_VERTICAL, {}
widgets are collected as they should
o = Popup child
list = setmetatable {o}, __mode: 'v'
o\destroy!
o = nil
collectgarbage!
assert.is_nil list[1]
child = Gtk.Box Gtk.ORIENTATION_VERTICAL, {}
o = Popup child
list = setmetatable {o}, __mode: 'v'
o\destroy!
o = nil
collectgarbage!
assert.is_nil list[1]