Jonas Schievink 772b1a6d79
Rollup merge of #78086 - poliorcetics:as-placeholder, r=Mark-Simulacrum
Improve doc for 'as _'

Fix #78042.

`@rustbot` modify labels: A-coercions T-doc
2020-11-28 15:58:13 +01:00
..
2020-11-22 17:11:41 -05:00