0 0 [0,0] Uninitialized _.foo = Uninitialized _.foo assigned to Foo = Foo is and _.foo is , not NaN set _.bar 1 meter get _.bar Initialized _.bar = Initialized _.bar assigned to Bar = 1.0 _.bar is , not 1 meter 1.0 Bar is , not 1 meter [2.0,3.0] Initialized #.baz = Initialized #.baz assigned to Baz = [2.0,3.0] #.baz is , not [2.0,3.0] meter [2.0,3.0] Baz is , not [2.0,3.0] meter Done