Safe.known: def of cswap-bend-cli@0.1.0.0
Import: import cswap-bend-cli@0.1.0.0/policy/safe.bend as Safe
Lines 28-34 of cswap-bend-cli@0.1.0.0/policy/safe.bend: https://jend.leeeet.dev/read.txt?path=cswap-bend-cli@0.1.0.0/policy/safe.bend&start_line=28&end_line=34

import Base

# The reading is decision-grade and carries a headroom.
def known(+m: Maybe<&2, Nat>) -> Bool:
  match m:
    case None{}:
      False{}
    case Some{x}:
      True{}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat