    class
    	WEL_RECT

    General
    	cluster: wel
    	description: "Defines the coordinates of the upper-left and lower-right corners of a rectangle."
    	create: make_by_pointer, make_window, make_client, make

    Ancestors
    	WEL_STRUCTURE*

    Queries
    	bottom: INTEGER_32
    	empty: BOOLEAN
    	exists: BOOLEAN
    	height: INTEGER_32
    	is_equal (other: [like Current] WEL_RECT): BOOLEAN
    	item: POINTER
    	left: INTEGER_32
    	point_in (point: WEL_POINT): BOOLEAN
    	right: INTEGER_32
    	shared: BOOLEAN
    	Structure_size: INTEGER_32
    	top: INTEGER_32
    	width: INTEGER_32
    	x: INTEGER_32
    	y: INTEGER_32

    Commands
    	copy (other: [like Current] WEL_RECT)
    	dispose
    	inflate (a_x, a_y: INTEGER_32)
    	initialize
    	initialize_with_character (a_character: CHARACTER_8)
    	intersect (rect1, rect2: WEL_RECT)
    	memory_copy (source_pointer: POINTER; length: INTEGER_32)
    	offset (a_x, a_y: INTEGER_32)
    	set_bottom (a_bottom: INTEGER_32)
    	set_item (an_item: POINTER)
    	set_left (a_left: INTEGER_32)
    	set_rect (a_left, a_top, a_right, a_bottom: INTEGER_32)
    	set_right (a_right: INTEGER_32)
    	set_shared
    	set_top (a_top: INTEGER_32)
    	set_unshared
    	subtract (rect1, rect2: WEL_RECT)
    	union (rect1, rect2: WEL_RECT)

    Constraints
    	positive width
    	positive height