def round_u64
import bend-collections-laws-crypto@1.0.0.0/src/math/f64.bend as F64import Base
import bend-collections-laws-crypto@1.0.0.0/src/math/num.bend as N
import bend-collections-laws-crypto@1.0.0.0/src/math/u64.bend as W
812def round_u64(+x: F64) -> Result<&2, &2, N.NumError, W.U64>:
813 to_u64(round(x))