doc: updated documentation for groups and nested groups

This commit is contained in:
Michele Caini
2020-06-09 09:32:36 +02:00
parent 7e624159ee
commit ab7fa56bb3

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@@ -1473,12 +1473,12 @@ In fact, given a list of component types involved by a group, the greater the
number of those owned, the greater the performance of the group itself.
As a side note, it's no longer possible to sort all groups when defining nested
ones. This is because the most restrictive groups share the elements with the
ones. This is because the most restrictive group shares its elements with the
less restrictive ones and ordering the latter would invalidate the former.<br/>
However, given a family of nested groups, it's still possible to sort the most
restrictive of them. To prevent users from having to remember which of their
groups is the most restrictive, they offer the `sortable` member function to
know if their items can be sorted or not.
groups is the most restrictive, the registry class offers the `sortable` member
function to know if a group can be sorted or not.
## Types: const, non-const and all in between