def lists_1032

bendtorch-core@0.1.0.0 · src/tensor/axis_algebra.bend:1145

import Base

1145def lists_1032(-A: Data, +items: List<&2, A>, length: {List.length(&2, A, items) == 4n : Nat}) -> ListFacts<A, 4n, [1n, 0n, 3n, 2n], items>:
1146  match items:
1147    case Nil{}:
1148      Empty.absurd(ListFacts<A, 4n, [1n, 0n, 3n, 2n], Nil{}>, nat_clash(0n, 4n, length, {==}))
1149    case +x0 <> Nil{}:
1150      Empty.absurd(ListFacts<A, 4n, [1n, 0n, 3n, 2n], x0 <> Nil{}>, nat_clash(1n, 4n, length, {==}))
1151    case +x0 <> +x1 <> Nil{}:
1152      Empty.absurd(ListFacts<A, 4n, [1n, 0n, 3n, 2n], x0 <> x1 <> Nil{}>, nat_clash(2n, 4n, length, {==}))
1153    case +x0 <> +x1 <> +x2 <> Nil{}:
1154      Empty.absurd(ListFacts<A, 4n, [1n, 0n, 3n, 2n], x0 <> x1 <> x2 <> Nil{}>, nat_clash(3n, 4n, length, {==}))
1155    case +x0 <> +x1 <> +x2 <> +x3 <> Nil{}:
1156      Lists{{==}, {==}, {==}, {==}, {==}, {==}}
1157    case +x0 <> +x1 <> +x2 <> +x3 <> +x4 <> +tail:
1158      Empty.absurd(ListFacts<A, 4n, [1n, 0n, 3n, 2n], x0 <> x1 <> x2 <> x3 <> x4 <> tail>, nat_clash(5n+List.length(&2, A, tail), 4n, length, {==}))