def lists_2301
bendtorch-core@0.1.0.0 · src/tensor/axis_algebra.bend:1658
import bendtorch-core@0.1.0.0/src/tensor/axis_algebra.bend as AxisAlgebra
import Base
1658def lists_2301(-A: Data, +items: List<&2, A>, length: {List.length(&2, A, items) == 4n : Nat}) -> ListFacts<A, 4n, [2n, 3n, 0n, 1n], items>:
1659 match items:
1660 case Nil{}:
1661 Empty.absurd(ListFacts<A, 4n, [2n, 3n, 0n, 1n], Nil{}>, nat_clash(0n, 4n, length, {==}))
1662 case +x0 <> Nil{}:
1663 Empty.absurd(ListFacts<A, 4n, [2n, 3n, 0n, 1n], x0 <> Nil{}>, nat_clash(1n, 4n, length, {==}))
1664 case +x0 <> +x1 <> Nil{}:
1665 Empty.absurd(ListFacts<A, 4n, [2n, 3n, 0n, 1n], x0 <> x1 <> Nil{}>, nat_clash(2n, 4n, length, {==}))
1666 case +x0 <> +x1 <> +x2 <> Nil{}:
1667 Empty.absurd(ListFacts<A, 4n, [2n, 3n, 0n, 1n], x0 <> x1 <> x2 <> Nil{}>, nat_clash(3n, 4n, length, {==}))
1668 case +x0 <> +x1 <> +x2 <> +x3 <> Nil{}:
1669 Lists{{==}, {==}, {==}, {==}, {==}, {==}}
1670 case +x0 <> +x1 <> +x2 <> +x3 <> +x4 <> +tail:
1671 Empty.absurd(ListFacts<A, 4n, [2n, 3n, 0n, 1n], x0 <> x1 <> x2 <> x3 <> x4 <> tail>, nat_clash(5n+List.length(&2, A, tail), 4n, length, {==}))