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149 lines
4.8 KiB
Rust
149 lines
4.8 KiB
Rust
// Private types and traits are not allowed in public interfaces.
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// This test also ensures that the checks are performed even inside private modules.
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#![feature(associated_type_defaults)]
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mod types {
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struct Priv;
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pub struct Pub;
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pub trait PubTr {
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type Alias;
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}
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pub const C: Priv = Priv; //~ ERROR private type `types::Priv` in public interface
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pub static S: Priv = Priv; //~ ERROR private type `types::Priv` in public interface
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pub fn f1(arg: Priv) {} //~ ERROR private type `types::Priv` in public interface
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pub fn f2() -> Priv { panic!() } //~ ERROR private type `types::Priv` in public interface
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pub struct S1(pub Priv); //~ ERROR private type `types::Priv` in public interface
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pub struct S2 { pub field: Priv } //~ ERROR private type `types::Priv` in public interface
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impl Pub {
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pub const C: Priv = Priv; //~ ERROR private type `types::Priv` in public interface
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pub fn f1(arg: Priv) {} //~ ERROR private type `types::Priv` in public interface
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pub fn f2() -> Priv { panic!() } //~ ERROR private type `types::Priv` in public interface
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}
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}
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mod traits {
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trait PrivTr {}
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pub struct Pub<T>(T);
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pub trait PubTr {}
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pub enum E<T: PrivTr> { V(T) } //~ ERROR private trait `traits::PrivTr` in public interface
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pub fn f<T: PrivTr>(arg: T) {} //~ ERROR private trait `traits::PrivTr` in public interface
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pub struct S1<T: PrivTr>(T); //~ ERROR private trait `traits::PrivTr` in public interface
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impl<T: PrivTr> Pub<T> { //~ ERROR private trait `traits::PrivTr` in public interface
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pub fn f<U: PrivTr>(arg: U) {} //~ ERROR private trait `traits::PrivTr` in public interface
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}
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}
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mod traits_where {
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trait PrivTr {}
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pub struct Pub<T>(T);
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pub trait PubTr {}
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pub enum E<T> where T: PrivTr { V(T) }
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//~^ ERROR private trait `traits_where::PrivTr` in public interface
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pub fn f<T>(arg: T) where T: PrivTr {}
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//~^ ERROR private trait `traits_where::PrivTr` in public interface
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pub struct S1<T>(T) where T: PrivTr;
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//~^ ERROR private trait `traits_where::PrivTr` in public interface
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impl<T> Pub<T> where T: PrivTr {
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//~^ ERROR private trait `traits_where::PrivTr` in public interface
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pub fn f<U>(arg: U) where U: PrivTr {}
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//~^ ERROR private trait `traits_where::PrivTr` in public interface
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}
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}
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mod generics {
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struct Priv<T = u8>(T);
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pub struct Pub<T = u8>(T);
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trait PrivTr<T> {}
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pub trait PubTr<T> {}
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pub fn f1(arg: [Priv; 1]) {} //~ ERROR private type `generics::Priv` in public interface
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pub fn f2(arg: Pub<Priv>) {} //~ ERROR private type `generics::Priv` in public interface
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pub fn f3(arg: Priv<Pub>) {}
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//~^ ERROR private type `generics::Priv<generics::Pub>` in public interface
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}
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mod impls {
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struct Priv;
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pub struct Pub;
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trait PrivTr {
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type Alias;
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}
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pub trait PubTr {
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type Alias;
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}
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impl Pub {
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pub fn f(arg: Priv) {} //~ ERROR private type `impls::Priv` in public interface
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}
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}
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mod aliases_pub {
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struct Priv;
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mod m {
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pub struct Pub1;
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pub struct Pub2;
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pub struct Pub3;
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pub trait PubTr<T = u8> {
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type Check = u8;
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}
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}
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use self::m::Pub1 as PrivUseAlias;
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use self::m::PubTr as PrivUseAliasTr;
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type PrivAlias = m::Pub2;
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trait PrivTr {
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type Assoc = m::Pub3;
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}
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impl PrivTr for Priv {}
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// This should be OK, but associated type aliases are not substituted yet
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pub fn f3(arg: <Priv as PrivTr>::Assoc) {}
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//~^ ERROR private trait `aliases_pub::PrivTr` in public interface
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//~| ERROR private type `aliases_pub::Priv` in public interface
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impl PrivUseAlias {
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pub fn f(arg: Priv) {} //~ ERROR private type `aliases_pub::Priv` in public interface
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}
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}
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mod aliases_priv {
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struct Priv;
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struct Priv1;
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struct Priv2;
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struct Priv3;
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trait PrivTr1<T = u8> {
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type Check = u8;
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}
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use self::Priv1 as PrivUseAlias;
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use self::PrivTr1 as PrivUseAliasTr;
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type PrivAlias = Priv2;
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trait PrivTr {
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type Assoc = Priv3;
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}
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impl PrivTr for Priv {}
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pub fn f1(arg: PrivUseAlias) {} //~ ERROR private type `Priv1` in public interface
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pub fn f2(arg: PrivAlias) {} //~ ERROR private type `Priv2` in public interface
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pub fn f3(arg: <Priv as PrivTr>::Assoc) {}
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//~^ ERROR private trait `aliases_priv::PrivTr` in public interface
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//~| ERROR private type `aliases_priv::Priv` in public interface
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}
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mod aliases_params {
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struct Priv;
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type PrivAliasGeneric<T = Priv> = T;
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type Result<T> = ::std::result::Result<T, Priv>;
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pub fn f2(arg: PrivAliasGeneric) {}
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//~^ ERROR private type `aliases_params::Priv` in public interface
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pub fn f3(arg: Result<u8>) {} //~ ERROR private type `aliases_params::Priv` in public interface
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}
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fn main() {}
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