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Better span for error message

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This commit is contained in:
Pawel Wieczorek 2017-04-24 20:25:14 +02:00
parent 0b87eb71e4
commit e265fa81fe
1 changed files with 1 additions and 6 deletions
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7
lalrpop/src/normalize/prevalidate/mod.rs
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@ -177,13 +177,8 @@ impl<'grammar> Validator<'grammar> {
} }
}; };
if norm_util::check_funky_expression(action).is_in_curly_brackets() { if norm_util::check_funky_expression(action).is_in_curly_brackets() {
let sym =
syms.iter()
.map(|&(_, sym)| sym)
.next()
.unwrap();
return_err!( return_err!(
sym.span, alternative.span,
"the `<>` expression requires to explicitly assign fields' names to values"); "the `<>` expression requires to explicitly assign fields' names to values");
} }
} }