| changeset 378 | 53d66ecfeb1b |
| parent 286 | 2d2cbff6ee57 |
| 377:6112a403a52d | 378:53d66ecfeb1b |
|---|---|
16 |
16 |
17 |
17 |
18 !PPSentinel class methodsFor:'instance creation'! |
18 !PPSentinel class methodsFor:'instance creation'! |
19 |
19 |
20 instance |
20 instance |
21 ^ instance ifNil:[ instance := self new ]. |
21 ^ instance ifNil: [ instance := self new ] |
22 ! ! |
22 ! ! |
23 |
23 |
24 !PPSentinel class methodsFor:'documentation'! |
24 !PPSentinel class methodsFor:'documentation'! |
25 |
25 |
26 version |
26 version |