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Deduplicate inserted parentheses in binding mode hints

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This commit is contained in:
Lukas Wirth 2022-12-16 21:16:55 +01:00
parent b6c2bb21ab
commit ba3e3282da
1 changed files with 15 additions and 6 deletions
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21
crates/ide/src/inlay_hints.rs
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@ -850,7 +850,18 @@ fn binding_mode_hints(
return None;
}
let range = pat.syntax().text_range();
let outer_paren_pat = pat
.syntax()
.ancestors()
.skip(1)
.map_while(ast::Pat::cast)
.map_while(|pat| match pat {
ast::Pat::ParenPat(pat) => Some(pat),
_ => None,
})
.last();
let range =
outer_paren_pat.as_ref().map_or_else(|| pat.syntax(), |it| it.syntax()).text_range();
sema.pattern_adjustments(&pat).iter().for_each(|ty| {
let reference = ty.is_reference();
let mut_reference = ty.is_mutable_reference();
@ -875,13 +886,13 @@ fn binding_mode_hints(
hir::BindingMode::Ref(Mutability::Shared) => "ref",
};
acc.push(InlayHint {
range,
range: pat.syntax().text_range(),
kind: InlayKind::BindingModeHint,
label: bm.to_string().into(),
tooltip: Some(InlayTooltip::String("Inferred binding mode".into())),
});
}
ast::Pat::OrPat(pat) => {
ast::Pat::OrPat(pat) if outer_paren_pat.is_none() => {
acc.push(InlayHint {
range: pat.syntax().text_range(),
kind: InlayKind::OpeningParenthesis,
@ -2973,11 +2984,9 @@ fn __(
//^^^^^^^^^^^(
//^^^^^^^^^^^)
((x,) | (x,)) => (),
//^^^^^^^^^^^&
//^^^^^^^^^^^^^&
//^ ref
//^ ref
//^^^^^^^^^^^(
//^^^^^^^^^^^)
}
match &mut (0,) {
(x,) => ()