Sort.sort_by_sorted_nat: def of bend-mathlib@0.8.1.0
Import: import bend-mathlib@0.8.1.0/sort.bend as Sort
Lines 244-246 of bend-mathlib@0.8.1.0/sort.bend: https://jend.leeeet.dev/read.txt?path=bend-mathlib@0.8.1.0/sort.bend&start_line=244&end_line=246

import Base
import bend-mathlib@0.8.1.0/list.bend as MList
import bend-mathlib@0.8.1.0/perm.bend as MPerm

# Merge sort returns a sorted Nat list.
def sort_by_sorted_nat(+xs: List<&2, Nat>) -> MList.sorted_by(~Nat, ~Nat.is_le, MPerm.sort_by(~Nat, ~Nat.is_le, xs)):
  sort_by_sorted(~Nat, ~Nat.is_le, ~internal_le_trans_nat, ~internal_le_flip_nat, xs)

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  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_le
  https://jend.leeeet.dev/definition.txt?path=bend-mathlib@0.8.1.0/list.bend&name=sorted_by
  https://jend.leeeet.dev/definition.txt?path=bend-mathlib@0.8.1.0/perm.bend&name=sort_by
  https://jend.leeeet.dev/definition.txt?path=bend-mathlib@0.8.1.0/sort.bend&name=internal_le_flip_nat
  https://jend.leeeet.dev/definition.txt?path=bend-mathlib@0.8.1.0/sort.bend&name=internal_le_trans_nat
  https://jend.leeeet.dev/definition.txt?path=bend-mathlib@0.8.1.0/sort.bend&name=sort_by_sorted