def b64v
import bend-collections-laws-math@1.0.0.0/proofs/math/typed/f64rint.bend as F64rintimport Base
import bend-collections-laws-math@1.0.0.0/spec/math/f64.bend as SF
import bend-collections-laws-math@1.0.0.0/spec/math/w64.bend as SW
import bend-collections-laws-math@1.0.0.0/src/math/f64.bend as F
62def b64v(+b: Bool) -> {SW.value(F.b64(b)) == SF.b2n(b) : Nat}:
63 match b:
64 case True{}:
65 {==}
66 case False{}:
67 {==}