[ Taak ] prosedure

>> x := 1.
 {
 	(x = 1) ja: { Stdout skryf: ['x']. }, breek.
 	Stdout skryf: ['y'].
 } prosedure.

 {
 	(x = 1) ja: { Stdout skryf: ['x']. }, breek.
 	Stdout skryf: ['y'].
 } × 1.