diff options
| -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 c4c4d9f2..2d48a641 100644 --- a/backends/lean/Base/Primitives/Vec.lean +++ b/backends/lean/Base/Primitives/Vec.lean @@ -35,6 +35,10 @@ example {a: Type u} (v : Vec a) : v.length ≤ Scalar.max ScalarTy.Usize := by def Vec.new (α : Type u): Vec α := ⟨ [], by apply Scalar.cMax_suffices .Usize; simp ⟩ +instance (α : Type u) : Inhabited (Vec α) := by + constructor + apply Vec.new + -- TODO: very annoying that the α is an explicit parameter def Vec.len (α : Type u) (v : Vec α) : Usize := Usize.ofIntCore v.val.len (by scalar_tac) (by scalar_tac) |