F64rint.b2n63: def of bend-collections-laws-math@1.0.0.0
Import: import bend-collections-laws-math@1.0.0.0/proofs/math/typed/f64rint.bend as F64rint
Lines 69-74 of bend-collections-laws-math@1.0.0.0/proofs/math/typed/f64rint.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-math@1.0.0.0/proofs/math/typed/f64rint.bend&start_line=69&end_line=74

import Base
import bend-collections-laws-math@1.0.0.0/spec/lib/common.bend as C
import bend-collections-laws-math@1.0.0.0/spec/math/f64.bend as SF

def b2n63(+b: Bool) -> {C.fits(63n, SF.b2n(b)) == True{} : Bool}:
  match b:
    case True{}:
      {==}
    case False{}:
      {==}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/spec/lib/common.bend&name=fits
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/spec/math/f64.bend&name=b2n