principles:liskov_substitution_principle
Differences
This shows you the differences between two versions of the page.
| Both sides previous revisionPrevious revision | Next revisionBoth sides next revision | ||
| principles:liskov_substitution_principle [2013-06-22 20:42] – christian | principles:liskov_substitution_principle [2016-03-07 22:17] – [Strategies] fix typo (waken -> weaken) 66.228.70.98 | ||
|---|---|---|---|
| Line 30: | Line 30: | ||
| * Only strengthen invariants in subclasses; never weaken them | * Only strengthen invariants in subclasses; never weaken them | ||
| - | * Only waken preconditions when overriding methods | + | * Only weaken |
| * Only strengthen postconditions when overriding methods | * Only strengthen postconditions when overriding methods | ||
| * Use Delegation instead of Inheritance | * Use Delegation instead of Inheritance | ||
principles/liskov_substitution_principle.txt · Last modified: 2021-10-18 21:50 by christian