def BigInt.from_u32
import bend-kit-bignum@0.1.0.0/bigint.bend as Bigintimport Base
352def BigInt.from_u32(+x: U32) -> BigInt:
353 BigInt{False{}, Mag.norm(Con{(x % 10000 : U32),
354 Con{((x / 10000) % 10000 : U32), Con{(x / 100000000 : U32), Nil{}}}})}