language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-09-28 06:14:46 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

finish parsing named underscores

Browse source
This commit is contained in:
rvcas 2020-11-18 07:35:01 -05:00
parent 0088080636
commit 1e7dcaebd8
2 changed files with 8 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

12
compiler/parse/src/expr.rs
View file

@ -1089,14 +1089,12 @@ fn underscore_pattern<'a>() -> impl Parser<'a, Pattern<'a>> {
move |arena: &'a Bump, state: State<'a>| {
let (_, next_state) = ascii_char(b'_').parse(arena, state)?;
let (output, final_state) = lowercase_ident().parse(arena, next_state)?;
let (output, final_state) = optional(lowercase_ident()).parse(arena, next_state)?;
let mut name = String::new_in(arena);
name.push('_');
name.push_str(output);
Ok((Pattern::Underscore(&"_"), final_state))
match output {
Some(name) => Ok((Pattern::Underscore(name), final_state)),
None => Ok((Pattern::Underscore(&"_"), final_state)),
}
}
}