&'a homomorphic_encryption::public_key::polynomial::polynomial_quotient_ring::PolynomialQuotientRing
mismatched types

expected struct `homomorphic_encryption::polynomial::polynomial_quotient_ring::PolynomialQuotientRing`, found struct `homomorphic_encryption::public_key::polynomial::polynomial_quotient_ring::PolynomialQuotientRing`

note: expected reference `&homomorphic_encryption::polynomial::polynomial_quotient_ring::PolynomialQuotientRing`
         found reference `&'a homomorphic_encryption::public_key::polynomial::polynomial_quotient_ring::PolynomialQuotientRing`rustc(E0308)
homomorphic_encryption.rs(11, 42): expected struct `homomorphic_encryption::polynomial::polynomial_quotient_ring::PolynomialQuotientRing`, found struct `homomorphic_encryption::public_key::polynomial::polynomial_quotient_ring::PolynomialQuotientRing`