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Diffstat (limited to 'backends/lean/Base/Primitives/Vec.lean')
| -rw-r--r-- | backends/lean/Base/Primitives/Vec.lean | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/backends/lean/Base/Primitives/Vec.lean b/backends/lean/Base/Primitives/Vec.lean index 12789fa9..82ecb8ed 100644 --- a/backends/lean/Base/Primitives/Vec.lean +++ b/backends/lean/Base/Primitives/Vec.lean @@ -16,6 +16,10 @@ namespace alloc.vec def Vec (α : Type u) := { l : List α // l.length ≤ Usize.max } +instance [BEq α] : BEq (Vec α) := SubtypeBEq _ + +instance [BEq α] [LawfulBEq α] : LawfulBEq (Vec α) := SubtypeLawfulBEq _ + instance (a : Type u) : Arith.HasIntProp (Vec a) where prop_ty := λ v => 0 ≤ v.val.len ∧ v.val.len ≤ Scalar.max ScalarTy.Usize prop := λ ⟨ _, l ⟩ => by simp[Scalar.max, List.len_eq_length, *] |