Layout.plan_built: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/layout.bend as Layout
Lines 107-119 of bendtorch-core@0.1.0.0/src/tensor/layout.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&start_line=107&end_line=119

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape

def plan_built(+input: Shape.Shape, +axes: List<&2, U32>, -dimensions: List<&2, U32>,
  valid: {True{} == bijective(input, axes) : Bool},
  selected: {Some{dimensions} == reorder(Shape.dimensions(input), axes) : Maybe<&2, List<&2, U32>>},
  built: Shape.ConstructResult<dimensions>) -> Result<&2, &2, Error, Plan<input, axes>>:
  match built:
    case Shape.SError{error}:
      Fail{ShapeError{error}}
    case Shape.SBuilt{+out, preserved}:
      plan_counted(input, axes, out, valid,
        Equal.trans(Maybe<&2, List<&2, U32>>, Some{Shape.dimensions(out)}, Some{dimensions},
          reorder(Shape.dimensions(input), axes),
          Equal.cong(List<&2, U32>, Maybe<&2, List<&2, U32>>, xs => Some{xs}, Shape.dimensions(out), dimensions, preserved), selected),
        Shape.bool_case(Nat.is_eq(Shape.elements(input), Shape.elements(out))))

Uses (18):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.cong
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.trans
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=ConstructResult
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=Shape
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=bool_case
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=dimensions
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=elements
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=Error
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=Plan
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=bijective
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=plan_counted
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=reorder