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Diffstat (limited to 'crates/hir-ty/src/layout/adt.rs')
| -rw-r--r-- | crates/hir-ty/src/layout/adt.rs | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/crates/hir-ty/src/layout/adt.rs b/crates/hir-ty/src/layout/adt.rs index c2778b9a8e..5e713c17cf 100644 --- a/crates/hir-ty/src/layout/adt.rs +++ b/crates/hir-ty/src/layout/adt.rs @@ -8,6 +8,7 @@ use hir_def::{ AdtId, EnumVariantId, LocalEnumVariantId, VariantId, }; use la_arena::RawIdx; +use rustc_dependencies::index::IndexVec; use smallvec::SmallVec; use triomphe::Arc; @@ -20,8 +21,8 @@ use crate::{ use super::LayoutCx; -pub(crate) fn struct_variant_idx() -> RustcEnumVariantIdx { - RustcEnumVariantIdx(LocalEnumVariantId::from_raw(RawIdx::from(0))) +pub(crate) const fn struct_variant_idx() -> RustcEnumVariantIdx { + RustcEnumVariantIdx(LocalEnumVariantId::from_raw(RawIdx::from_u32(0))) } pub fn layout_of_adt_query( @@ -74,7 +75,7 @@ pub fn layout_of_adt_query( .iter() .map(|it| it.iter().map(|it| &**it).collect::<Vec<_>>()) .collect::<SmallVec<[_; 1]>>(); - let variants = variants.iter().map(|it| it.iter().collect()).collect(); + let variants = variants.iter().map(|it| it.iter().collect()).collect::<IndexVec<_, _>>(); let result = if matches!(def, AdtId::UnionId(..)) { cx.layout_of_union(&repr, &variants).ok_or(LayoutError::Unknown)? } else { @@ -105,7 +106,7 @@ pub fn layout_of_adt_query( && variants .iter() .next() - .and_then(|it| it.last().map(|it| !it.is_unsized())) + .and_then(|it| it.iter().last().map(|it| !it.is_unsized())) .unwrap_or(true), ) .ok_or(LayoutError::SizeOverflow)? |