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Diffstat (limited to '')
| -rw-r--r-- | backends/lean/Base/Primitives.lean | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/backends/lean/Base/Primitives.lean b/backends/lean/Base/Primitives.lean index 0506f4c0..1a0c665d 100644 --- a/backends/lean/Base/Primitives.lean +++ b/backends/lean/Base/Primitives.lean @@ -616,6 +616,9 @@ def Scalar.toInt {ty} (n : Scalar ty) : Int := n.val def Vec (α : Type u) := { l : List α // List.length l ≤ Usize.max } +-- TODO: do we really need it? It should be with Subtype by default +instance Vec.cast (a : Type): Coe (Vec a) (List a) where coe := λ v => v.val + def Vec.new (α : Type u): Vec α := ⟨ [], by apply Scalar.cMax_suffices .Usize; simp ⟩ def Vec.len (α : Type u) (v : Vec α) : Usize := |