13 lines
277 B
Factor
13 lines
277 B
Factor
QUALIFIED: io ! there already is print in io
|
|
|
|
GENERIC: print ( shape -- )
|
|
|
|
TUPLE: point x y ;
|
|
C: <point> point ! shorthand constructor definition
|
|
|
|
M: point print drop "Point" io:print ;
|
|
|
|
TUPLE: circle radius x y ;
|
|
C: <circle> circle
|
|
|
|
M: circle print drop "Circle" io:print ;
|