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make 'not nil' experimental

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Andreas Rumpf 2018-05-01 10:48:46 +02:00 • committed by Araq
commit 599b5d6dcb
14 changed files with 27 additions and 16 deletions
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changelog.md
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## v0.X.X - XX/XX/2018
## v0.19.X - XX/XX/2018
### Changes affecting backwards compatibility
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- Assignments that would "slice" an object into its supertype are now prevented
at runtime. Use ``ref object`` with inheritance rather than ``object`` with
inheritance to prevent this issue.
- The ``not nil`` type annotation now has to be enabled explicitly
via ``{.experimental: "notnil"}`` as we are still not pleased with how this
feature works with Nim's containers.
#### Breaking changes in the standard library