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Add missing arg for eat_char

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This commit is contained in:
Edwin Cheng 2020-12-12 06:14:11 +08:00
parent 175229ab3d
commit ae29fb0211
1 changed files with 3 additions and 3 deletions
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6
crates/mbe/src/mbe_expander/matcher.rs
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@ -357,9 +357,9 @@ impl<'a> TtIter<'a> {
}
}
pub(crate) fn eat_char(&mut self) -> Option<tt::TokenTree> {
pub(crate) fn eat_char(&mut self, c: char) -> Option<tt::TokenTree> {
let mut fork = self.clone();
match fork.expect_char('-') {
match fork.expect_char(c) {
Ok(_) => {
let tt = self.next().cloned();
*self = fork;
@ -460,7 +460,7 @@ fn match_meta_var(kind: &str, input: &mut TtIter) -> ExpandResult<Option<Fragmen
.map(|tt| Some(tt))
.map_err(|()| err!("expected lifetime")),
"literal" => {
let neg = input.eat_char();
let neg = input.eat_char('-');
input
.expect_literal()
.map(|literal| {