def lists_0231

bendtorch-core@0.1.0.0 · src/tensor/axis_algebra.bend:917

import Base

917def lists_0231(-A: Data, +items: List<&2, A>, length: {List.length(&2, A, items) == 4n : Nat}) -> ListFacts<A, 4n, [0n, 2n, 3n, 1n], items>:
918  match items:
919    case Nil{}:
920      Empty.absurd(ListFacts<A, 4n, [0n, 2n, 3n, 1n], Nil{}>, nat_clash(0n, 4n, length, {==}))
921    case +x0 <> Nil{}:
922      Empty.absurd(ListFacts<A, 4n, [0n, 2n, 3n, 1n], x0 <> Nil{}>, nat_clash(1n, 4n, length, {==}))
923    case +x0 <> +x1 <> Nil{}:
924      Empty.absurd(ListFacts<A, 4n, [0n, 2n, 3n, 1n], x0 <> x1 <> Nil{}>, nat_clash(2n, 4n, length, {==}))
925    case +x0 <> +x1 <> +x2 <> Nil{}:
926      Empty.absurd(ListFacts<A, 4n, [0n, 2n, 3n, 1n], x0 <> x1 <> x2 <> Nil{}>, nat_clash(3n, 4n, length, {==}))
927    case +x0 <> +x1 <> +x2 <> +x3 <> Nil{}:
928      Lists{{==}, {==}, {==}, {==}, {==}, {==}}
929    case +x0 <> +x1 <> +x2 <> +x3 <> +x4 <> +tail:
930      Empty.absurd(ListFacts<A, 4n, [0n, 2n, 3n, 1n], x0 <> x1 <> x2 <> x3 <> x4 <> tail>, nat_clash(5n+List.length(&2, A, tail), 4n, length, {==}))