def lists_1320

bendtorch-core@0.1.0.0 · src/tensor/axis_algebra.bend:1373

import Base

1373def lists_1320(-A: Data, +items: List<&2, A>, length: {List.length(&2, A, items) == 4n : Nat}) -> ListFacts<A, 4n, [1n, 3n, 2n, 0n], items>:
1374  match items:
1375    case Nil{}:
1376      Empty.absurd(ListFacts<A, 4n, [1n, 3n, 2n, 0n], Nil{}>, nat_clash(0n, 4n, length, {==}))
1377    case +x0 <> Nil{}:
1378      Empty.absurd(ListFacts<A, 4n, [1n, 3n, 2n, 0n], x0 <> Nil{}>, nat_clash(1n, 4n, length, {==}))
1379    case +x0 <> +x1 <> Nil{}:
1380      Empty.absurd(ListFacts<A, 4n, [1n, 3n, 2n, 0n], x0 <> x1 <> Nil{}>, nat_clash(2n, 4n, length, {==}))
1381    case +x0 <> +x1 <> +x2 <> Nil{}:
1382      Empty.absurd(ListFacts<A, 4n, [1n, 3n, 2n, 0n], x0 <> x1 <> x2 <> Nil{}>, nat_clash(3n, 4n, length, {==}))
1383    case +x0 <> +x1 <> +x2 <> +x3 <> Nil{}:
1384      Lists{{==}, {==}, {==}, {==}, {==}, {==}}
1385    case +x0 <> +x1 <> +x2 <> +x3 <> +x4 <> +tail:
1386      Empty.absurd(ListFacts<A, 4n, [1n, 3n, 2n, 0n], x0 <> x1 <> x2 <> x3 <> x4 <> tail>, nat_clash(5n+List.length(&2, A, tail), 4n, length, {==}))