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Refactor tt::Delimiter

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This commit is contained in:
Edwin Cheng
2019-12-13 21:53:34 +08:00
parent 16cf6bcf4b
commit 98f98cbb54
8 changed files with 42 additions and 44 deletions
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4
crates/ra_mbe/src/lib.rs
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@@ -159,14 +159,14 @@ impl Rule {
.expect_subtree()
.map_err(|()| ParseError::Expected("expected subtree".to_string()))?
.clone();
lhs.delimiter = tt::Delimiter::None;
lhs.delimiter = None;
src.expect_char('=').map_err(|()| ParseError::Expected("expected `=`".to_string()))?;
src.expect_char('>').map_err(|()| ParseError::Expected("expected `>`".to_string()))?;
let mut rhs = src
.expect_subtree()
.map_err(|()| ParseError::Expected("expected subtree".to_string()))?
.clone();
rhs.delimiter = tt::Delimiter::None;
rhs.delimiter = None;
Ok(crate::Rule { lhs, rhs })
}
}