OpenE2K/rust
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Rollup merge of #24811 - rkruppe:reference-audit, r=steveklabnik

Browse Source 
Mention `non_ascii_idents` feature gate and remove unused productions.

r? @steveklabnik
This commit is contained in:
Manish Goregaokar 2015-04-25 21:18:47 +05:30
commit 007c81b83d
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/doc/reference.md
View File

@ -68,12 +68,14 @@ explicit code point lists. [^inputformat]
## Special Unicode Productions
The following productions in the Rust grammar are defined in terms of Unicode
properties: `ident`, `non_null`, `non_star`, `non_eol`, `non_slash_or_star`,
`non_single_quote` and `non_double_quote`.
properties: `ident`, `non_null`, `non_eol`, `non_single_quote` and `non_double_quote`.
### Identifiers
The `ident` production is any nonempty Unicode string of the following form:
The `ident` production is any nonempty Unicode[^non_ascii_idents] string of the following form:
[^non_ascii_idents]: Non-ASCII characters in identifiers are currently feature
gated. This is expected to improve soon.
- The first character has property `XID_start`
- The remaining characters have property `XID_continue`
@ -90,8 +92,6 @@ Some productions are defined by exclusion of particular Unicode characters:
- `non_null` is any single Unicode character aside from `U+0000` (null)
- `non_eol` is `non_null` restricted to exclude `U+000A` (`'\n'`)
- `non_star` is `non_null` restricted to exclude `U+002A` (`*`)
- `non_slash_or_star` is `non_null` restricted to exclude `U+002F` (`/`) and `U+002A` (`*`)
- `non_single_quote` is `non_null` restricted to exclude `U+0027` (`'`)
- `non_double_quote` is `non_null` restricted to exclude `U+0022` (`"`)