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authorEdwin Cheng <[email protected]>2020-12-30 18:38:40 +0000
committerEdwin Cheng <[email protected]>2020-12-30 18:58:41 +0000
commitede1b11741f2758effaf110dca52f31e39503049 (patch)
tree764d05d32107db7968bd867f794265d10448eff8 /crates
parent848e817f603ed12e065bc3057d12e04b481fb5bb (diff)
Remove unused clones in mbe
Diffstat (limited to 'crates')
-rw-r--r--crates/mbe/src/lib.rs12
1 files changed, 4 insertions, 8 deletions
diff --git a/crates/mbe/src/lib.rs b/crates/mbe/src/lib.rs
index 7878faaa4..b3472879d 100644
--- a/crates/mbe/src/lib.rs
+++ b/crates/mbe/src/lib.rs
@@ -217,18 +217,14 @@ impl MacroRules {
217 217
218impl Rule { 218impl Rule {
219 fn parse(src: &mut TtIter) -> Result<Rule, ParseError> { 219 fn parse(src: &mut TtIter) -> Result<Rule, ParseError> {
220 let mut lhs = src 220 let lhs = src
221 .expect_subtree() 221 .expect_subtree()
222 .map_err(|()| ParseError::Expected("expected subtree".to_string()))? 222 .map_err(|()| ParseError::Expected("expected subtree".to_string()))?;
223 .clone();
224 lhs.delimiter = None;
225 src.expect_char('=').map_err(|()| ParseError::Expected("expected `=`".to_string()))?; 223 src.expect_char('=').map_err(|()| ParseError::Expected("expected `=`".to_string()))?;
226 src.expect_char('>').map_err(|()| ParseError::Expected("expected `>`".to_string()))?; 224 src.expect_char('>').map_err(|()| ParseError::Expected("expected `>`".to_string()))?;
227 let mut rhs = src 225 let rhs = src
228 .expect_subtree() 226 .expect_subtree()
229 .map_err(|()| ParseError::Expected("expected subtree".to_string()))? 227 .map_err(|()| ParseError::Expected("expected subtree".to_string()))?;
230 .clone();
231 rhs.delimiter = None;
232 228
233 let lhs = MetaTemplate { tokens: parse_pattern(&lhs), delimiter: None }; 229 let lhs = MetaTemplate { tokens: parse_pattern(&lhs), delimiter: None };
234 let rhs = MetaTemplate { tokens: parse_template(&rhs), delimiter: None }; 230 let rhs = MetaTemplate { tokens: parse_template(&rhs), delimiter: None };