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Show and render error lifetime args as '_

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This commit is contained in:
Aleksei Trifonov 2024-08-26 03:03:26 +03:00
parent 7106cd3be5
commit 7ea4241afa
5 changed files with 15 additions and 21 deletions
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20
crates/hir-ty/src/display.rs
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@ -1523,18 +1523,6 @@ fn hir_fmt_generic_arguments(
None => (parameters, &[][..]),
};
for generic_arg in lifetimes.iter().chain(ty_or_const) {
// FIXME: Remove this
// most of our lifetimes will be errors as we lack elision and inference
// so don't render them for now
if !cfg!(test)
&& matches!(
generic_arg.lifetime(Interner),
Some(l) if ***l.interned() == LifetimeData::Error
)
{
continue;
}
if !mem::take(&mut first) {
write!(f, ", ")?;
}
@ -1872,7 +1860,13 @@ impl HirDisplay for LifetimeData {
LifetimeData::BoundVar(idx) => idx.hir_fmt(f),
LifetimeData::InferenceVar(_) => write!(f, "_"),
LifetimeData::Static => write!(f, "'static"),
LifetimeData::Error => write!(f, "'?"),
LifetimeData::Error => {
if cfg!(test) {
write!(f, "'?")
} else {
write!(f, "'_")
}
}
LifetimeData::Erased => write!(f, "'<erased>"),
LifetimeData::Phantom(void, _) => match *void {},
}