Valentin Shergin 5463fc260b Fabric: ComponentDescriptorRegistry::operator[] marked as const
Summary:
Quite trivial.
Note that std::unordered_map's `operator[]` is not `const`, so we have to use `at` instead.

Reviewed By: mdvacca

Differential Revision: D7467799

fbshipit-source-id: df38b21dccee4b347f7c070600af0d52f38d6570
2018-04-10 12:59:51 -07:00
..
2018-03-18 19:17:39 -07:00