Dylan DPC f891af9de5 Rollup merge of #82078 - lopopolo:char-u8-const-fn, r=m-ou-se ... Make char and u8 methods const char methods `len_utf8`, `len_utf16`, `to_ascii_lowercase`, `eq_ignore_ascii_case` can be made const. `u8` methods `to_ascii_lowercase`, `to_ascii_uppercase` are required to be const as well. `u8::eq_ignore_ascii_case` was additionally made const. Rebase of https://github.com/rust-lang/rust/pull/79549 originally authored by ``@YenForYang.`` Changes from that PR: - Squashed all commits from #79549. - rebased to latest upstream master. - Removed const attributes for `char::escape_unicode` and `char::escape_default`. - Updated `since` attributes for `const` stabilization to 1.52.0. cc ``@m-ou-se.``		2021-02-25 14:33:55 +01:00
..
benches	Unify way to flip 6th bit. (Same assembly generated)	2021-02-08 12:21:36 +00:00
src	Rollup merge of #82078 - lopopolo:char-u8-const-fn, r=m-ou-se	2021-02-25 14:33:55 +01:00
tests	Rollup merge of #81167 - usbalbin:const_write, r=oli-obk	2021-02-25 14:33:51 +01:00
Cargo.toml	mv std libs to library/	2020-07-27 19:51:13 -05:00