breaking change: 'and' and 'mod' do not produce a subrange type anymore; fixes #5854

2017-10-30 00:27:30 +01:00 · 2017-10-30 00:27:30 +01:00 · d7a896f19d
commit d7a896f19d
parent aa526da706
6 changed files with 16 additions and 131 deletions
--- a/changelog.md
+++ b/changelog.md
@ -28,3 +28,6 @@
  take ``BackwardsIndex`` indices. ``BackwardsIndex`` is produced by ``system.^``.
  This means if you overload ``[]`` or ``[]=`` you need to ensure they also work
  with ``system.BackwardsIndex`` (if applicable for the accessors).
+- ``mod`` and bitwise ``and`` do not produce ``range`` subtypes anymore. This
+  turned out to be more harmful than helpful and the language is simpler
+  without this special typing rule.