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make tag id less hardcoded

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Folkert 2021-06-28 20:03:49 +02:00
parent 3e53f0a14d
commit 0d07c2ef84
3 changed files with 52 additions and 29 deletions
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8
compiler/mono/src/layout.rs
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@ -153,11 +153,17 @@ impl<'a> UnionLayout<'a> {
}
}
const BIGGEST_TAG_ID_TYPE: Layout<'static> = Layout::Builtin(Builtin::Int64);
pub fn tag_id_layout_from_slices(_slices: &[&[Layout<'a>]]) -> Layout<'a> {
Self::BIGGEST_TAG_ID_TYPE
}
pub fn tag_id_layout(&self) -> Option<Layout<'a>> {
match self {
UnionLayout::NonRecursive(_)
| UnionLayout::Recursive(_)
| UnionLayout::NullableWrapped { .. } => Some(Layout::Builtin(Builtin::Int64)),
| UnionLayout::NullableWrapped { .. } => Some(Self::BIGGEST_TAG_ID_TYPE),
UnionLayout::NonNullableUnwrapped(_) | UnionLayout::NullableUnwrapped { .. } => None,
}
}