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Add commas to docs for clarity (#18398)

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Elliot Waite
2021-06-29 19:21:30 -07:00
committed by GitHub
parent 36d24846b6
commit afe5eb569b
2 changed files with 3 additions and 3 deletions
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doc/tut2.rst
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@@ -79,7 +79,7 @@ to introduce new object roots apart from `system.RootObj`. (This is used
in the GTK wrapper for instance.)
Ref objects should be used whenever inheritance is used. It isn't strictly
necessary, but with non-ref objects assignments such as `let person: Person =
necessary, but with non-ref objects, assignments such as `let person: Person =
Student(id: 123)` will truncate subclass fields.
**Note**: Composition (*has-a* relation) is often preferable to inheritance