Flat.hollow: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/shape/flat.bend as Flat
Lines 7-10 of bendtorch-core@0.1.0.0/src/shape/flat.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/shape/flat.bend&start_line=7&end_line=10

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

def hollow(+output: Shape.Shape, +value: Nat, zero: {0n == Shape.numel(Shape.extents(output)) : Nat}, bound: {True{} == Nat.is_lt(value, Shape.elements(output)) : Bool}) -> Empty:
  +size = Equal.trans(Nat, Shape.elements(output), Shape.numel(Shape.extents(output)), 0n, Shape.elements_exact(output), Equal.sym(Nat, 0n, Shape.numel(Shape.extents(output)), zero))
  %Equal.trans(Bool, True{}, Nat.is_lt(value, 0n), False{}, Equal.trans(Bool, True{}, Nat.is_lt(value, Shape.elements(output)), Nat.is_lt(value, 0n), bound, Equal.cong(Nat, Bool, count => Nat.is_lt(value, count), Shape.elements(output), 0n, size)), Projection.lt_zero_false(value)) : Shape.truth(_)
  Unit{}

Uses (15):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Empty
  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.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.trans
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_lt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Unit
  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=elements
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=elements_exact
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=extents
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=numel
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=truth
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/projection_proofs.bend&name=lt_zero_false