Dylan DPC 4b0b89827d
Rollup merge of #102049 - fee1-dead-contrib:derive_const, r=oli-obk
Add the `#[derive_const]` attribute

Closes #102371. This is a minimal patchset for the attribute to work. There are no restrictions on what traits this attribute applies to.

r? `````@oli-obk`````
2022-11-12 12:02:50 +05:30
..
2022-09-27 13:31:52 +02:00
2022-08-22 07:35:33 +10:00
2022-08-17 08:10:56 +10:00
2022-10-23 10:09:44 +02:00
2022-07-29 15:52:15 +10:00
2022-09-20 11:57:58 +00:00
2022-08-16 11:17:15 +10:00
2022-07-29 15:52:15 +10:00