def lists_3012

bendtorch-core@0.1.0.0 · src/tensor/axis_algebra.bend:1772

import Base

1772def lists_3012(-A: Data, +items: List<&2, A>, length: {List.length(&2, A, items) == 4n : Nat}) -> ListFacts<A, 4n, [3n, 0n, 1n, 2n], items>:
1773  match items:
1774    case Nil{}:
1775      Empty.absurd(ListFacts<A, 4n, [3n, 0n, 1n, 2n], Nil{}>, nat_clash(0n, 4n, length, {==}))
1776    case +x0 <> Nil{}:
1777      Empty.absurd(ListFacts<A, 4n, [3n, 0n, 1n, 2n], x0 <> Nil{}>, nat_clash(1n, 4n, length, {==}))
1778    case +x0 <> +x1 <> Nil{}:
1779      Empty.absurd(ListFacts<A, 4n, [3n, 0n, 1n, 2n], x0 <> x1 <> Nil{}>, nat_clash(2n, 4n, length, {==}))
1780    case +x0 <> +x1 <> +x2 <> Nil{}:
1781      Empty.absurd(ListFacts<A, 4n, [3n, 0n, 1n, 2n], x0 <> x1 <> x2 <> Nil{}>, nat_clash(3n, 4n, length, {==}))
1782    case +x0 <> +x1 <> +x2 <> +x3 <> Nil{}:
1783      Lists{{==}, {==}, {==}, {==}, {==}, {==}}
1784    case +x0 <> +x1 <> +x2 <> +x3 <> +x4 <> +tail:
1785      Empty.absurd(ListFacts<A, 4n, [3n, 0n, 1n, 2n], x0 <> x1 <> x2 <> x3 <> x4 <> tail>, nat_clash(5n+List.length(&2, A, tail), 4n, length, {==}))