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use is_none

This commit is contained in:
Nick Liu 2022-12-29 21:39:57 +08:00
parent 41f21a7b5d
commit 24d2ab8b0a
1 changed files with 4 additions and 4 deletions
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8
parser/python.lalrpop
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@ -682,16 +682,16 @@ ParameterListStarArgs<ArgType>: (Option<Box<ast::Arg>>, Vec<ast::Arg>, Vec<ast::
}
kwargs.extend(kwonlyargs.into_iter());
let kwarg = kwarg.map(|n| n.1).flatten();
let va = va.map(Box::new);
if va==None && kwargs.is_empty() && kwarg==None {
if va.is_none() && kwargs.is_empty() && kwarg.is_none() {
Err(LexicalError {
error: LexicalErrorType::OtherError("named arguments must follow bare *".to_string()),
location: location,
})?
}
let kwarg = kwarg.map(|n| n.1).flatten();
let va = va.map(Box::new);
Ok((va, kwargs, kw_defaults, kwarg))
}
};