def Select.one
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/curve25519/field.bend as Fieldimport Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/curve25519/field.bend as F
136def Select.one(+one: Nat, +h1: {one == 1n : Nat}, +a: List<&2, U32>, +b: List<&2, U32>, +ha: {tight(a) == True{} : Bool}, +hb: {tight(b) == True{} : Bool}) -> Type:
137 {F.select(1, a, b) == b : List<&2, U32>}