diff options
| author | Son Ho | 2023-09-18 19:59:19 +0200 |
|---|---|---|
| committer | Son Ho | 2023-09-18 19:59:19 +0200 |
| commit | 92887b89e35607e99bae2f19e4c5b2f162683d02 (patch) | |
| tree | f2547abe4f19a8474dd8af07e8e69369064fd41a /backends/lean/Base/Primitives | |
| parent | 0eb62047b052cb4fbf842525170dd916679e8b7e (diff) | |
Prove that Vec is inhabited
Diffstat (limited to '')
| -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) |