The dontCollect
value is used in for
loops to signal that the value is not to be collected.
See For Loop for details.
dontCollect
is a separate distinguished instance of the Undefined
class, and so will fail in the way the undefined
value does if used in computations.
Constructor
dontCollect
EXAMPLES
-- collect all spheres with radius less than 5 little_spheres = for i in $* collect if classOf i == sphere and i.radius < 5 then i else dontCollect