def lists_0312

bendtorch-core@0.1.0.0 · src/tensor/axis_algebra.bend:974

import Base

974def lists_0312(-A: Data, +items: List<&2, A>, length: {List.length(&2, A, items) == 4n : Nat}) -> ListFacts<A, 4n, [0n, 3n, 1n, 2n], items>:
975  match items:
976    case Nil{}:
977      Empty.absurd(ListFacts<A, 4n, [0n, 3n, 1n, 2n], Nil{}>, nat_clash(0n, 4n, length, {==}))
978    case +x0 <> Nil{}:
979      Empty.absurd(ListFacts<A, 4n, [0n, 3n, 1n, 2n], x0 <> Nil{}>, nat_clash(1n, 4n, length, {==}))
980    case +x0 <> +x1 <> Nil{}:
981      Empty.absurd(ListFacts<A, 4n, [0n, 3n, 1n, 2n], x0 <> x1 <> Nil{}>, nat_clash(2n, 4n, length, {==}))
982    case +x0 <> +x1 <> +x2 <> Nil{}:
983      Empty.absurd(ListFacts<A, 4n, [0n, 3n, 1n, 2n], x0 <> x1 <> x2 <> Nil{}>, nat_clash(3n, 4n, length, {==}))
984    case +x0 <> +x1 <> +x2 <> +x3 <> Nil{}:
985      Lists{{==}, {==}, {==}, {==}, {==}, {==}}
986    case +x0 <> +x1 <> +x2 <> +x3 <> +x4 <> +tail:
987      Empty.absurd(ListFacts<A, 4n, [0n, 3n, 1n, 2n], x0 <> x1 <> x2 <> x3 <> x4 <> tail>, nat_clash(5n+List.length(&2, A, tail), 4n, length, {==}))