def lists_1023

bendtorch-core@0.1.0.0 · src/tensor/axis_algebra.bend:1088

import Base

1088def lists_1023(-A: Data, +items: List<&2, A>, length: {List.length(&2, A, items) == 4n : Nat}) -> ListFacts<A, 4n, [1n, 0n, 2n, 3n], items>:
1089  match items:
1090    case Nil{}:
1091      Empty.absurd(ListFacts<A, 4n, [1n, 0n, 2n, 3n], Nil{}>, nat_clash(0n, 4n, length, {==}))
1092    case +x0 <> Nil{}:
1093      Empty.absurd(ListFacts<A, 4n, [1n, 0n, 2n, 3n], x0 <> Nil{}>, nat_clash(1n, 4n, length, {==}))
1094    case +x0 <> +x1 <> Nil{}:
1095      Empty.absurd(ListFacts<A, 4n, [1n, 0n, 2n, 3n], x0 <> x1 <> Nil{}>, nat_clash(2n, 4n, length, {==}))
1096    case +x0 <> +x1 <> +x2 <> Nil{}:
1097      Empty.absurd(ListFacts<A, 4n, [1n, 0n, 2n, 3n], x0 <> x1 <> x2 <> Nil{}>, nat_clash(3n, 4n, length, {==}))
1098    case +x0 <> +x1 <> +x2 <> +x3 <> Nil{}:
1099      Lists{{==}, {==}, {==}, {==}, {==}, {==}}
1100    case +x0 <> +x1 <> +x2 <> +x3 <> +x4 <> +tail:
1101      Empty.absurd(ListFacts<A, 4n, [1n, 0n, 2n, 3n], x0 <> x1 <> x2 <> x3 <> x4 <> tail>, nat_clash(5n+List.length(&2, A, tail), 4n, length, {==}))