blob: 4b407a29f64b385b5fc32448782adadd0212c1b0 [file] [log] [blame]
// check-pass
// aux-build:lint_stability.rs
// aux-build:inherited_stability.rs
// aux-build:stability_cfg1.rs
// aux-build:stability-cfg2.rs
// ignore-tidy-linelength
#![warn(deprecated)]
#![feature(staged_api, unstable_test_feature)]
#![stable(feature = "rust1", since = "1.0.0")]
#[macro_use]
extern crate lint_stability;
mod cross_crate {
extern crate stability_cfg1;
extern crate stability_cfg2;
use lint_stability::*;
fn test() {
type Foo = MethodTester;
let foo = MethodTester;
deprecated(); //~ WARN use of deprecated item 'lint_stability::deprecated'
foo.method_deprecated(); //~ WARN use of deprecated item 'lint_stability::MethodTester::method_deprecated'
Foo::method_deprecated(&foo); //~ WARN use of deprecated item 'lint_stability::MethodTester::method_deprecated'
<Foo>::method_deprecated(&foo); //~ WARN use of deprecated item 'lint_stability::MethodTester::method_deprecated'
foo.trait_deprecated(); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated'
Trait::trait_deprecated(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated'
<Foo>::trait_deprecated(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated'
<Foo as Trait>::trait_deprecated(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated'
deprecated_text(); //~ WARN use of deprecated item 'lint_stability::deprecated_text': text
foo.method_deprecated_text(); //~ WARN use of deprecated item 'lint_stability::MethodTester::method_deprecated_text': text
Foo::method_deprecated_text(&foo); //~ WARN use of deprecated item 'lint_stability::MethodTester::method_deprecated_text': text
<Foo>::method_deprecated_text(&foo); //~ WARN use of deprecated item 'lint_stability::MethodTester::method_deprecated_text': text
foo.trait_deprecated_text(); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_text': text
Trait::trait_deprecated_text(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_text': text
<Foo>::trait_deprecated_text(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_text': text
<Foo as Trait>::trait_deprecated_text(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_text': text
deprecated_unstable(); //~ WARN use of deprecated item 'lint_stability::deprecated_unstable'
foo.method_deprecated_unstable(); //~ WARN use of deprecated item 'lint_stability::MethodTester::method_deprecated_unstable'
Foo::method_deprecated_unstable(&foo); //~ WARN use of deprecated item 'lint_stability::MethodTester::method_deprecated_unstable'
<Foo>::method_deprecated_unstable(&foo); //~ WARN use of deprecated item 'lint_stability::MethodTester::method_deprecated_unstable'
foo.trait_deprecated_unstable(); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_unstable'
Trait::trait_deprecated_unstable(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_unstable'
<Foo>::trait_deprecated_unstable(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_unstable'
<Foo as Trait>::trait_deprecated_unstable(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_unstable'
deprecated_unstable_text(); //~ WARN use of deprecated item 'lint_stability::deprecated_unstable_text': text
foo.method_deprecated_unstable_text(); //~ WARN use of deprecated item 'lint_stability::MethodTester::method_deprecated_unstable_text': text
Foo::method_deprecated_unstable_text(&foo); //~ WARN use of deprecated item 'lint_stability::MethodTester::method_deprecated_unstable_text': text
<Foo>::method_deprecated_unstable_text(&foo); //~ WARN use of deprecated item 'lint_stability::MethodTester::method_deprecated_unstable_text': text
foo.trait_deprecated_unstable_text(); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_unstable_text': text
Trait::trait_deprecated_unstable_text(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_unstable_text': text
<Foo>::trait_deprecated_unstable_text(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_unstable_text': text
<Foo as Trait>::trait_deprecated_unstable_text(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_unstable_text': text
unstable();
foo.method_unstable();
Foo::method_unstable(&foo);
<Foo>::method_unstable(&foo);
foo.trait_unstable();
Trait::trait_unstable(&foo);
<Foo>::trait_unstable(&foo);
<Foo as Trait>::trait_unstable(&foo);
unstable_text();
foo.method_unstable_text();
Foo::method_unstable_text(&foo);
<Foo>::method_unstable_text(&foo);
foo.trait_unstable_text();
Trait::trait_unstable_text(&foo);
<Foo>::trait_unstable_text(&foo);
<Foo as Trait>::trait_unstable_text(&foo);
stable();
foo.method_stable();
Foo::method_stable(&foo);
<Foo>::method_stable(&foo);
foo.trait_stable();
Trait::trait_stable(&foo);
<Foo>::trait_stable(&foo);
<Foo as Trait>::trait_stable(&foo);
stable_text();
foo.method_stable_text();
Foo::method_stable_text(&foo);
<Foo>::method_stable_text(&foo);
foo.trait_stable_text();
Trait::trait_stable_text(&foo);
<Foo>::trait_stable_text(&foo);
<Foo as Trait>::trait_stable_text(&foo);
struct S1<T: TraitWithAssociatedTypes>(T::TypeUnstable);
struct S2<T: TraitWithAssociatedTypes>(T::TypeDeprecated);
//~^ WARN use of deprecated item 'lint_stability::TraitWithAssociatedTypes::TypeDeprecated': text
//~| WARN use of deprecated item 'lint_stability::TraitWithAssociatedTypes::TypeDeprecated': text
type A = dyn TraitWithAssociatedTypes<
TypeUnstable = u8,
TypeDeprecated = u16,
//~^ WARN use of deprecated item 'lint_stability::TraitWithAssociatedTypes::TypeDeprecated'
//~| WARN use of deprecated item 'lint_stability::TraitWithAssociatedTypes::TypeDeprecated'
//~| WARN use of deprecated item 'lint_stability::TraitWithAssociatedTypes::TypeDeprecated'
>;
let _ = DeprecatedStruct { //~ WARN use of deprecated item 'lint_stability::DeprecatedStruct'
i: 0 //~ WARN use of deprecated item 'lint_stability::DeprecatedStruct::i'
};
let _ = DeprecatedUnstableStruct {
//~^ WARN use of deprecated item 'lint_stability::DeprecatedUnstableStruct'
i: 0 //~ WARN use of deprecated item 'lint_stability::DeprecatedUnstableStruct::i'
};
let _ = UnstableStruct { i: 0 };
let _ = StableStruct { i: 0 };
let _ = DeprecatedUnitStruct; //~ WARN use of deprecated item 'lint_stability::DeprecatedUnitStruct'
let _ = DeprecatedUnstableUnitStruct; //~ WARN use of deprecated item 'lint_stability::DeprecatedUnstableUnitStruct'
let _ = UnstableUnitStruct;
let _ = StableUnitStruct;
let _ = Enum::DeprecatedVariant; //~ WARN use of deprecated item 'lint_stability::Enum::DeprecatedVariant'
let _ = Enum::DeprecatedUnstableVariant; //~ WARN use of deprecated item 'lint_stability::Enum::DeprecatedUnstableVariant'
let _ = Enum::UnstableVariant;
let _ = Enum::StableVariant;
let _ = DeprecatedTupleStruct (1); //~ WARN use of deprecated item 'lint_stability::DeprecatedTupleStruct'
let _ = DeprecatedUnstableTupleStruct (1); //~ WARN use of deprecated item 'lint_stability::DeprecatedUnstableTupleStruct'
let _ = UnstableTupleStruct (1);
let _ = StableTupleStruct (1);
// At the moment, the lint checker only checks stability in
// in the arguments of macros.
// Eventually, we will want to lint the contents of the
// macro in the module *defining* it. Also, stability levels
// on macros themselves are not yet linted.
macro_test_arg!(deprecated_text()); //~ WARN use of deprecated item 'lint_stability::deprecated_text': text
macro_test_arg!(deprecated_unstable_text()); //~ WARN use of deprecated item 'lint_stability::deprecated_unstable_text': text
macro_test_arg!(macro_test_arg!(deprecated_text())); //~ WARN use of deprecated item 'lint_stability::deprecated_text': text
}
fn test_method_param<Foo: Trait>(foo: Foo) {
foo.trait_deprecated(); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated'
Trait::trait_deprecated(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated'
<Foo>::trait_deprecated(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated'
<Foo as Trait>::trait_deprecated(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated'
foo.trait_deprecated_text(); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_text': text
Trait::trait_deprecated_text(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_text': text
<Foo>::trait_deprecated_text(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_text': text
<Foo as Trait>::trait_deprecated_text(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_text': text
foo.trait_deprecated_unstable(); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_unstable'
Trait::trait_deprecated_unstable(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_unstable'
<Foo>::trait_deprecated_unstable(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_unstable'
<Foo as Trait>::trait_deprecated_unstable(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_unstable'
foo.trait_deprecated_unstable_text(); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_unstable_text': text
Trait::trait_deprecated_unstable_text(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_unstable_text': text
<Foo>::trait_deprecated_unstable_text(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_unstable_text': text
<Foo as Trait>::trait_deprecated_unstable_text(&foo); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_unstable_text': text
foo.trait_unstable();
Trait::trait_unstable(&foo);
<Foo>::trait_unstable(&foo);
<Foo as Trait>::trait_unstable(&foo);
foo.trait_unstable_text();
Trait::trait_unstable_text(&foo);
<Foo>::trait_unstable_text(&foo);
<Foo as Trait>::trait_unstable_text(&foo);
foo.trait_stable();
Trait::trait_stable(&foo);
<Foo>::trait_stable(&foo);
<Foo as Trait>::trait_stable(&foo);
}
fn test_method_object(foo: &dyn Trait) {
foo.trait_deprecated(); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated'
foo.trait_deprecated_text(); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_text': text
foo.trait_deprecated_unstable(); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_unstable'
foo.trait_deprecated_unstable_text(); //~ WARN use of deprecated item 'lint_stability::Trait::trait_deprecated_unstable_text': text
foo.trait_unstable();
foo.trait_unstable_text();
foo.trait_stable();
}
struct S;
impl UnstableTrait for S { }
impl DeprecatedTrait for S {} //~ WARN use of deprecated item 'lint_stability::DeprecatedTrait': text
trait LocalTrait : UnstableTrait { }
trait LocalTrait2 : DeprecatedTrait { } //~ WARN use of deprecated item 'lint_stability::DeprecatedTrait': text
impl Trait for S {
fn trait_stable(&self) {}
fn trait_unstable(&self) {}
}
}
mod inheritance {
extern crate inherited_stability;
use self::inherited_stability::*;
fn test_inheritance() {
unstable();
stable();
stable_mod::unstable();
stable_mod::stable();
unstable_mod::deprecated(); //~ WARN use of deprecated item 'inheritance::inherited_stability::unstable_mod::deprecated': text
unstable_mod::unstable();
let _ = Unstable::UnstableVariant;
let _ = Unstable::StableVariant;
let x: usize = 0;
x.unstable();
x.stable();
}
}
mod this_crate {
#[unstable(feature = "unstable_test_feature", issue = "none")]
#[rustc_deprecated(since = "1.0.0", reason = "text")]
pub fn deprecated() {}
#[unstable(feature = "unstable_test_feature", issue = "none")]
#[rustc_deprecated(since = "1.0.0", reason = "text")]
pub fn deprecated_text() {}
#[unstable(feature = "unstable_test_feature", issue = "none")]
pub fn unstable() {}
#[unstable(feature = "unstable_test_feature", reason = "text", issue = "none")]
pub fn unstable_text() {}
#[stable(feature = "rust1", since = "1.0.0")]
pub fn stable() {}
#[stable(feature = "rust1", since = "1.0.0")]
pub fn stable_text() {}
#[stable(feature = "rust1", since = "1.0.0")]
pub struct MethodTester;
impl MethodTester {
#[unstable(feature = "unstable_test_feature", issue = "none")]
#[rustc_deprecated(since = "1.0.0", reason = "text")]
pub fn method_deprecated(&self) {}
#[unstable(feature = "unstable_test_feature", issue = "none")]
#[rustc_deprecated(since = "1.0.0", reason = "text")]
pub fn method_deprecated_text(&self) {}
#[unstable(feature = "unstable_test_feature", issue = "none")]
pub fn method_unstable(&self) {}
#[unstable(feature = "unstable_test_feature", reason = "text", issue = "none")]
pub fn method_unstable_text(&self) {}
#[stable(feature = "rust1", since = "1.0.0")]
pub fn method_stable(&self) {}
#[stable(feature = "rust1", since = "1.0.0")]
pub fn method_stable_text(&self) {}
}
pub trait Trait {
#[unstable(feature = "unstable_test_feature", issue = "none")]
#[rustc_deprecated(since = "1.0.0", reason = "text")]
fn trait_deprecated(&self) {}
#[unstable(feature = "unstable_test_feature", issue = "none")]
#[rustc_deprecated(since = "1.0.0", reason = "text")]
fn trait_deprecated_text(&self) {}
#[unstable(feature = "unstable_test_feature", issue = "none")]
fn trait_unstable(&self) {}
#[unstable(feature = "unstable_test_feature", reason = "text", issue = "none")]
fn trait_unstable_text(&self) {}
#[stable(feature = "rust1", since = "1.0.0")]
fn trait_stable(&self) {}
#[stable(feature = "rust1", since = "1.0.0")]
fn trait_stable_text(&self) {}
}
impl Trait for MethodTester {}
#[unstable(feature = "unstable_test_feature", issue = "none")]
#[rustc_deprecated(since = "1.0.0", reason = "text")]
pub struct DeprecatedStruct {
#[stable(feature = "stable_test_feature", since = "1.0.0")] i: isize
}
#[unstable(feature = "unstable_test_feature", issue = "none")]
pub struct UnstableStruct {
#[stable(feature = "stable_test_feature", since = "1.0.0")] i: isize
}
#[stable(feature = "rust1", since = "1.0.0")]
pub struct StableStruct {
#[stable(feature = "stable_test_feature", since = "1.0.0")] i: isize
}
#[unstable(feature = "unstable_test_feature", issue = "none")]
#[rustc_deprecated(since = "1.0.0", reason = "text")]
pub struct DeprecatedUnitStruct;
#[unstable(feature = "unstable_test_feature", issue = "none")]
pub struct UnstableUnitStruct;
#[stable(feature = "rust1", since = "1.0.0")]
pub struct StableUnitStruct;
pub enum Enum {
#[unstable(feature = "unstable_test_feature", issue = "none")]
#[rustc_deprecated(since = "1.0.0", reason = "text")]
DeprecatedVariant,
#[unstable(feature = "unstable_test_feature", issue = "none")]
UnstableVariant,
#[stable(feature = "rust1", since = "1.0.0")]
StableVariant,
}
#[unstable(feature = "unstable_test_feature", issue = "none")]
#[rustc_deprecated(since = "1.0.0", reason = "text")]
pub struct DeprecatedTupleStruct(isize);
#[unstable(feature = "unstable_test_feature", issue = "none")]
pub struct UnstableTupleStruct(isize);
#[stable(feature = "rust1", since = "1.0.0")]
pub struct StableTupleStruct(isize);
fn test() {
// Only the deprecated cases of the following should generate
// errors, because other stability attributes now have meaning
// only *across* crates, not within a single crate.
type Foo = MethodTester;
let foo = MethodTester;
deprecated(); //~ WARN use of deprecated item 'this_crate::deprecated'
foo.method_deprecated(); //~ WARN use of deprecated item 'this_crate::MethodTester::method_deprecated'
Foo::method_deprecated(&foo); //~ WARN use of deprecated item 'this_crate::MethodTester::method_deprecated'
<Foo>::method_deprecated(&foo); //~ WARN use of deprecated item 'this_crate::MethodTester::method_deprecated'
foo.trait_deprecated(); //~ WARN use of deprecated item 'this_crate::Trait::trait_deprecated'
Trait::trait_deprecated(&foo); //~ WARN use of deprecated item 'this_crate::Trait::trait_deprecated'
<Foo>::trait_deprecated(&foo); //~ WARN use of deprecated item 'this_crate::Trait::trait_deprecated'
<Foo as Trait>::trait_deprecated(&foo); //~ WARN use of deprecated item 'this_crate::Trait::trait_deprecated'
deprecated_text(); //~ WARN use of deprecated item 'this_crate::deprecated_text': text
foo.method_deprecated_text(); //~ WARN use of deprecated item 'this_crate::MethodTester::method_deprecated_text': text
Foo::method_deprecated_text(&foo); //~ WARN use of deprecated item 'this_crate::MethodTester::method_deprecated_text': text
<Foo>::method_deprecated_text(&foo); //~ WARN use of deprecated item 'this_crate::MethodTester::method_deprecated_text': text
foo.trait_deprecated_text(); //~ WARN use of deprecated item 'this_crate::Trait::trait_deprecated_text': text
Trait::trait_deprecated_text(&foo); //~ WARN use of deprecated item 'this_crate::Trait::trait_deprecated_text': text
<Foo>::trait_deprecated_text(&foo); //~ WARN use of deprecated item 'this_crate::Trait::trait_deprecated_text': text
<Foo as Trait>::trait_deprecated_text(&foo); //~ WARN use of deprecated item 'this_crate::Trait::trait_deprecated_text': text
unstable();
foo.method_unstable();
Foo::method_unstable(&foo);
<Foo>::method_unstable(&foo);
foo.trait_unstable();
Trait::trait_unstable(&foo);
<Foo>::trait_unstable(&foo);
<Foo as Trait>::trait_unstable(&foo);
unstable_text();
foo.method_unstable_text();
Foo::method_unstable_text(&foo);
<Foo>::method_unstable_text(&foo);
foo.trait_unstable_text();
Trait::trait_unstable_text(&foo);
<Foo>::trait_unstable_text(&foo);
<Foo as Trait>::trait_unstable_text(&foo);
stable();
foo.method_stable();
Foo::method_stable(&foo);
<Foo>::method_stable(&foo);
foo.trait_stable();
Trait::trait_stable(&foo);
<Foo>::trait_stable(&foo);
<Foo as Trait>::trait_stable(&foo);
stable_text();
foo.method_stable_text();
Foo::method_stable_text(&foo);
<Foo>::method_stable_text(&foo);
foo.trait_stable_text();
Trait::trait_stable_text(&foo);
<Foo>::trait_stable_text(&foo);
<Foo as Trait>::trait_stable_text(&foo);
let _ = DeprecatedStruct {
//~^ WARN use of deprecated item 'this_crate::DeprecatedStruct'
i: 0 //~ WARN use of deprecated item 'this_crate::DeprecatedStruct::i'
};
let _ = UnstableStruct { i: 0 };
let _ = StableStruct { i: 0 };
let _ = DeprecatedUnitStruct; //~ WARN use of deprecated item 'this_crate::DeprecatedUnitStruct'
let _ = UnstableUnitStruct;
let _ = StableUnitStruct;
let _ = Enum::DeprecatedVariant; //~ WARN use of deprecated item 'this_crate::Enum::DeprecatedVariant'
let _ = Enum::UnstableVariant;
let _ = Enum::StableVariant;
let _ = DeprecatedTupleStruct (1); //~ WARN use of deprecated item 'this_crate::DeprecatedTupleStruct'
let _ = UnstableTupleStruct (1);
let _ = StableTupleStruct (1);
}
fn test_method_param<Foo: Trait>(foo: Foo) {
foo.trait_deprecated(); //~ WARN use of deprecated item 'this_crate::Trait::trait_deprecated'
Trait::trait_deprecated(&foo); //~ WARN use of deprecated item 'this_crate::Trait::trait_deprecated'
<Foo>::trait_deprecated(&foo); //~ WARN use of deprecated item 'this_crate::Trait::trait_deprecated'
<Foo as Trait>::trait_deprecated(&foo); //~ WARN use of deprecated item 'this_crate::Trait::trait_deprecated'
foo.trait_deprecated_text(); //~ WARN use of deprecated item 'this_crate::Trait::trait_deprecated_text': text
Trait::trait_deprecated_text(&foo); //~ WARN use of deprecated item 'this_crate::Trait::trait_deprecated_text': text
<Foo>::trait_deprecated_text(&foo); //~ WARN use of deprecated item 'this_crate::Trait::trait_deprecated_text': text
<Foo as Trait>::trait_deprecated_text(&foo); //~ WARN use of deprecated item 'this_crate::Trait::trait_deprecated_text': text
foo.trait_unstable();
Trait::trait_unstable(&foo);
<Foo>::trait_unstable(&foo);
<Foo as Trait>::trait_unstable(&foo);
foo.trait_unstable_text();
Trait::trait_unstable_text(&foo);
<Foo>::trait_unstable_text(&foo);
<Foo as Trait>::trait_unstable_text(&foo);
foo.trait_stable();
Trait::trait_stable(&foo);
<Foo>::trait_stable(&foo);
<Foo as Trait>::trait_stable(&foo);
}
fn test_method_object(foo: &dyn Trait) {
foo.trait_deprecated(); //~ WARN use of deprecated item 'this_crate::Trait::trait_deprecated'
foo.trait_deprecated_text(); //~ WARN use of deprecated item 'this_crate::Trait::trait_deprecated_text': text
foo.trait_unstable();
foo.trait_unstable_text();
foo.trait_stable();
}
#[unstable(feature = "unstable_test_feature", issue = "none")]
#[rustc_deprecated(since = "1.0.0", reason = "text")]
fn test_fn_body() {
fn fn_in_body() {}
fn_in_body(); //~ WARN use of deprecated item 'this_crate::test_fn_body::fn_in_body': text
}
impl MethodTester {
#[unstable(feature = "unstable_test_feature", issue = "none")]
#[rustc_deprecated(since = "1.0.0", reason = "text")]
fn test_method_body(&self) {
fn fn_in_body() {}
fn_in_body(); //~ WARN use of deprecated item 'this_crate::MethodTester::test_method_body::fn_in_body': text
}
}
#[unstable(feature = "unstable_test_feature", issue = "none")]
#[rustc_deprecated(since = "1.0.0", reason = "text")]
pub trait DeprecatedTrait {
fn dummy(&self) { }
}
struct S;
impl DeprecatedTrait for S { } //~ WARN use of deprecated item 'this_crate::DeprecatedTrait'
trait LocalTrait : DeprecatedTrait { } //~ WARN use of deprecated item 'this_crate::DeprecatedTrait'
}
fn main() {}