mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Remove unused clones in mbe

Browse Source
This commit is contained in:
Edwin Cheng 2020-12-31 02:38:40 +08:00
parent 848e817f60
commit ede1b11741
1 changed files with 4 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
crates/mbe/src/lib.rs
View File

@ -217,18 +217,14 @@ pub fn map_id_up(&self, id: tt::TokenId) -> (tt::TokenId, Origin) {
impl Rule { impl Rule {
fn parse(src: &mut TtIter) -> Result<Rule, ParseError> { fn parse(src: &mut TtIter) -> Result<Rule, ParseError> {
let mut lhs = src let lhs = src
.expect_subtree() .expect_subtree()
.map_err(|()| ParseError::Expected("expected subtree".to_string()))? .map_err(|()| ParseError::Expected("expected subtree".to_string()))?;
.clone();
lhs.delimiter = None;
src.expect_char('=').map_err(|()| ParseError::Expected("expected `=`".to_string()))?; src.expect_char('=').map_err(|()| ParseError::Expected("expected `=`".to_string()))?;
src.expect_char('>').map_err(|()| ParseError::Expected("expected `>`".to_string()))?; src.expect_char('>').map_err(|()| ParseError::Expected("expected `>`".to_string()))?;
let mut rhs = src let rhs = src
.expect_subtree() .expect_subtree()
.map_err(|()| ParseError::Expected("expected subtree".to_string()))? .map_err(|()| ParseError::Expected("expected subtree".to_string()))?;
.clone();
rhs.delimiter = None;
let lhs = MetaTemplate { tokens: parse_pattern(&lhs), delimiter: None }; let lhs = MetaTemplate { tokens: parse_pattern(&lhs), delimiter: None };
let rhs = MetaTemplate { tokens: parse_template(&rhs), delimiter: None }; let rhs = MetaTemplate { tokens: parse_template(&rhs), delimiter: None };