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macros.treeRepr + friends: collapse SymChoice (#18072)

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* macros.treeRepr + friends: collapse SymChoice

* make repr+friends work with invalid symchoice nodes

* address comment
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Timothee Cour 2021-06-04 21:58:26 -07:00 • committed by GitHub
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@ -81,6 +81,9 @@
- Deprecated `proc reversed*[T](a: openArray[T], first: Natural, last: int): seq[T]` in `std/algorithm`.
- In `std/macros`, `treeRepr,lispRepr,astGenRepr` now represent SymChoice nodes in a collapsed way,
use `-d:nimLegacyMacrosCollapseSymChoice` to get previous behavior.
- The configuration subsystem now allows for `-d:release` and `-d:danger` to work as expected.
The downside is that these defines now have custom logic that doesn't apply for
other defines.