rustc_parse: avoid creating unnecessary intermediate strings
This commit is contained in:
parent
f2acbb9d1e
commit
0e36e7cebe
@ -22,6 +22,7 @@ use rustc_span::lev_distance::lev_distance;
|
||||
use rustc_span::source_map::{self, Span};
|
||||
use rustc_span::symbol::{kw, sym, Ident, Symbol};
|
||||
use rustc_span::DUMMY_SP;
|
||||
use std::fmt::Write;
|
||||
use std::mem;
|
||||
use thin_vec::ThinVec;
|
||||
|
||||
@ -1109,7 +1110,7 @@ impl<'a> Parser<'a> {
|
||||
let fixed_name_sp = ident.span.to(idents.last().unwrap().span);
|
||||
let mut fixed_name = ident.name.to_string();
|
||||
for part in idents {
|
||||
fixed_name.push_str(&format!("_{}", part.name));
|
||||
write!(fixed_name, "_{}", part.name).unwrap();
|
||||
}
|
||||
ident = Ident::from_str_and_span(&fixed_name, fixed_name_sp);
|
||||
|
||||
|
Loading…
x
Reference in New Issue
Block a user