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Small fixes

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This commit is contained in:
Florian Diebold 2020-03-16 18:46:08 +01:00
parent 32dce75747
commit 6c20d7e979
1 changed files with 2 additions and 4 deletions
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6
crates/ra_mbe/src/mbe_expander.rs
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@ -34,8 +34,7 @@ fn expand_rules(rules: &[crate::Rule], input: &tt::Subtree) -> ExpandResult<tt::
return ExpandResult::ok(res);
}
}
// Use the rule if we matched more tokens, or had fewer patterns left,
// or had no error
// Use the rule if we matched more tokens, or had fewer errors
if let Some((prev_match, _)) = &match_ {
if (new_match.unmatched_tts, new_match.err_count)
< (prev_match.unmatched_tts, prev_match.err_count)
@ -176,7 +175,6 @@ mod tests {
let (invocation_tt, _) =
ast_to_token_tree(&macro_invocation.token_tree().unwrap()).unwrap();
let expanded = expand_rules(&rules.rules, &invocation_tt);
expanded
expand_rules(&rules.rules, &invocation_tt)
}
}