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Helper function for formatting with LifetimeSuggestionPosition

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This commit is contained in:
Pavel Grigorenko 2024-09-09 14:33:48 +03:00
parent 263a3aeeb8
commit db6361184e
3 changed files with 15 additions and 29 deletions
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13
compiler/rustc_hir/src/hir.rs
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@ -168,6 +168,19 @@ impl Lifetime {
(LifetimeSuggestionPosition::Normal, self.ident.span)
}
}
pub fn suggestion(&self, new_lifetime: &str) -> (Span, String) {
debug_assert!(new_lifetime.starts_with('\''));
let (pos, span) = self.suggestion_position();
let code = match pos {
LifetimeSuggestionPosition::Normal => format!("{new_lifetime}"),
LifetimeSuggestionPosition::Ampersand => format!("{new_lifetime} "),
LifetimeSuggestionPosition::ElidedPath => format!("<{new_lifetime}>"),
LifetimeSuggestionPosition::ElidedPathArgument => format!("{new_lifetime}, "),
LifetimeSuggestionPosition::ObjectDefault => format!("+ {new_lifetime}"),
};
(span, code)
}
}
/// A `Path` is essentially Rust's notion of a name; for instance,