//@ revisions: expanded hir
//@[expanded]compile-flags: -Zunpretty=expanded
//@[expanded]check-pass
//@[hir]compile-flags: -Zunpretty=hir
//@[hir]check-fail
//@ edition:2024

// Note: the HIR revision includes a `.stderr` file because there are some
// errors that only occur once we get past the AST.

#![feature(auto_traits)]
#![feature(box_patterns)]
#![feature(builtin_syntax)]
#![feature(const_trait_impl)]
#![feature(decl_macro)]
#![feature(deref_patterns)]
#![feature(explicit_tail_calls)]
#![feature(gen_blocks)]
#![feature(more_qualified_paths)]
#![feature(never_patterns)]
#![feature(never_type)]
#![feature(pattern_types)]
#![feature(pattern_type_macro)]
#![feature(prelude_import)]
#![feature(specialization)]
#![feature(trace_macros)]
#![feature(trait_alias)]
#![feature(try_blocks)]
#![feature(yeet_expr)]
#![allow(incomplete_features)]
#[prelude_import]
use std::prelude::rust_2024::*;
#[macro_use]
extern crate std;

#[prelude_import]
use self::prelude::*;

mod prelude {
    use std::prelude::rust_2024::*;

    type T = _;

    trait Trait {
        const
        CONST:
        ();
    }
}

/// inner single-line doc comment
/**
     * inner multi-line doc comment
     */
#[doc = "inner doc attribute"]
#[allow(dead_code, unused_variables)]
#[no_std]
mod attributes {

    /// outer single-line doc comment
    /**
     * outer multi-line doc comment
     */
    #[doc = "outer doc attribute"]
    #[doc = "macro"]
    #[allow()]
    #[attr = Repr([ReprC])]
    struct Struct;
}

mod expressions {
    /// ExprKind::Array
    fn expr_array() {
        [];
        [true];
        [true];
        [true, true];
        ["long........................................................................"];
        ["long............................................................",
                true];
    }

    /// ExprKind::ConstBlock
    fn expr_const_block() {
        const { };
        const { 1 };
        const
                {
                    struct S;
                };
    }

    /// ExprKind::Call
    fn expr_call() {
        let f;
        f();
        f::<u8>();
        f::<1>();
        f::<'static, u8, 1>();
        f(true);
        f(true);
        ()();
    }

    /// ExprKind::MethodCall
    fn expr_method_call() {
        let x;
        x.f();
        x.f::<u8>();
        x.collect::<Vec<_>>();
    }

    /// ExprKind::Tup
    fn expr_tup() { (); (true,); (true, false); (true, false); }

    /// ExprKind::Binary
    fn expr_binary() {
        let (a, b, c, d, x, y);
        true || false;
        true || false && false;
        a < 1 && 2 < b && c > 3 && 4 > d;
        a & b & !c;
        a + b * c - d + -1 * -2 - -3;
        x = !y;
    }

    /// ExprKind::Unary
    fn expr_unary() { let expr; *expr; !expr; -expr; }

    /// ExprKind::Lit
    fn expr_lit() { 'x'; 1000i8; 1.00000000000000000000001; }

    /// ExprKind::Cast
    fn expr_cast() { let expr; expr as T; expr as T<u8>; }

    /// ExprKind::Type
    fn expr_type() { let expr; type_ascribe!(expr, T); }

    /// ExprKind::Let
    fn expr_let() {
        let b;
        if let Some(a) = b { }
        if let _ = true && false { }
        if let _ = (true && false) { }
    }

    /// ExprKind::If
    fn expr_if() {
        if true { }
        if !true { }
        if let true = true { } else { }
        if true { } else if false { }
        if true { } else if false { } else { }
        if true { return; } else if false { 0 } else { 0 }
    }

    /// ExprKind::While
    fn expr_while() {
        loop { if false { } else { break; } }
        'a: loop { if false { } else { break; } }
        loop { if let true = true { } else { break; } }
    }

    /// ExprKind::ForLoop
    fn expr_for_loop() {
        let x;
        {
            let _t =
                match #[lang = "into_iter"](x) {
                    mut iter =>
                        loop {
                            match #[lang = "next"](&mut iter) {
                                #[lang = "None"] {} => break,
                                #[lang = "Some"] {  0: _ } => { }
                            }
                        },
                };
            _t
        };
        {
            let _t =
                match #[lang = "into_iter"](x) {
                    mut iter =>
                        'a: loop {
                            match #[lang = "next"](&mut iter) {
                                #[lang = "None"] {} => break,
                                #[lang = "Some"] {  0: _ } => { }
                            }
                        },
                };
            _t
        }
    }

    /// ExprKind::Loop
    fn expr_loop() { loop { } 'a: loop { } }

    /// ExprKind::Match
    fn expr_match() {
        let value;
        match value { }
        match value { ok => 1, }
        match value { ok => 1, err => 0, }
    }

    /// ExprKind::Closure
    fn expr_closure() {
        let value;
        || { };
        |x| { };
        |x: u8| { };
        || ();
        move || value;
        || |mut _task_context: ResumeTy| { { let _t = value; _t } };
        move || |mut _task_context: ResumeTy| { { let _t = value; _t } };
        || value;
        move || value;
        || |mut _task_context: ResumeTy| { { let _t = value; _t } };
        move || |mut _task_context: ResumeTy| { { let _t = value; _t } };
        || -> u8 { value };
        1 + (|| { });
    }

    /// ExprKind::Block
    fn expr_block() {
        { }
        unsafe { }
        'a: { }
        #[allow()]
        { }
        #[allow()]
        { }
    }

    /// ExprKind::Gen
    fn expr_gen() {
        |mut _task_context: ResumeTy| { };
        move |mut _task_context: ResumeTy| { };
        || { };
        move || { };
        |mut _task_context: ResumeTy| { };
        move |mut _task_context: ResumeTy| { };
    }

    /// ExprKind::Await
    fn expr_await() {
        let fut;
        {
            fut;
            (/*ERROR*/)
        };
    }

    /// ExprKind::TryBlock
    fn expr_try_block() {
        { #[lang = "from_output"](()) }
        { return; #[lang = "from_output"](()) }
    }

    /// ExprKind::Assign
    fn expr_assign() { let expr; expr = true; }

    /// ExprKind::AssignOp
    fn expr_assign_op() { let expr; expr += true; }

    /// ExprKind::Field
    fn expr_field() { let expr; expr.field; expr.0; }

    /// ExprKind::Index
    fn expr_index() { let expr; expr[true]; }

    /// ExprKind::Range
    fn expr_range() {
        let (lo, hi);
        #[lang = "RangeFull"] {  };
        #[lang = "RangeTo"] { end: hi };
        #[lang = "RangeFrom"] { start: lo };
        #[lang = "Range"] { start: lo, end: hi };
        #[lang = "Range"] { start: lo, end: hi };
        #[lang = "RangeToInclusive"] { end: hi };
        #[lang = "range_inclusive_new"](lo, hi);
        #[lang = "range_inclusive_new"](-2, -1);
    }

    /// ExprKind::Underscore
    fn expr_underscore() {
        (/*ERROR*/);
    }

    /// ExprKind::Path
    fn expr_path() {
        let x;
        crate::expressions::expr_path;
        crate::expressions::expr_path::<'static>;
        <T as Default>::default;
        <T as ::core::default::Default>::default;
        x;
        x::<T, T>;
        crate::expressions::expr_path;
        core::marker::PhantomData;
    }

    /// ExprKind::AddrOf
    fn expr_addr_of() {
        let expr;
        &expr;
        &mut expr;
        &raw const expr;
        &raw mut expr;
    }

    /// ExprKind::Break
    fn expr_break() { 'a: { break; break 'a; break true; break 'a true; } }

    /// ExprKind::Continue
    fn expr_continue() { 'a: { continue; continue 'a; } }

    /// ExprKind::Ret
    fn expr_ret() { return; return true; }


    /// ExprKind::InlineAsm: see exhaustive-asm.rs
    /// ExprKind::OffsetOf
    fn expr_offset_of() {


        // ...


        { offset_of!(T, field) };
    }
    /// ExprKind::MacCall
    fn expr_mac_call() { "..."; "..."; "..."; }
    /// ExprKind::Struct
    fn expr_struct() {
        struct Struct {
        }
        let (x, base);
        Struct {  };
        <Struct as ToOwned>::Owned {  };
        Struct { .. };
        Struct { ..base };
        Struct { x };
        Struct { x, ..base };
        Struct { x: true };
        Struct { x: true, .. };
        Struct { x: true, ..base };
        Struct { 0: true, ..base };
    }
    /// ExprKind::Repeat
    fn expr_repeat() { [(); 0]; }
    /// ExprKind::Paren
    fn expr_paren() { let expr; expr; }
    /// ExprKind::Try
    fn expr_try() {
        let expr;
        match #[lang = "branch"](expr) {
            #[lang = "Break"] {  0: residual } => #[allow(unreachable_code)]
                return #[lang = "from_residual"](residual),
            #[lang = "Continue"] {  0: val } => #[allow(unreachable_code)]
                val,
        };
    }
    /// ExprKind::Yield
    fn expr_yield() { yield (); yield true; }
    /// ExprKind::Yeet
    fn expr_yeet() {
        return #[lang = "from_yeet"](());
        return #[lang = "from_yeet"](0);
    }
    /// ExprKind::Become
    fn expr_become() { become true; }
    /// ExprKind::IncludedBytes
    fn expr_include_bytes() {
        b"data for include_bytes in ../expanded-exhaustive.rs\n";
    }
    /// ExprKind::FormatArgs
    fn expr_format_args() {
        let expr;
        format_arguments::new_const(&[]);
        {
            super let args = [format_argument::new_display(&expr)];
            format_arguments::new_v1(&[""], &args)
        };
    }
}
mod items {
    /// ItemKind::ExternCrate
    mod item_extern_crate {
        extern crate core;
        extern crate self as unpretty;
        extern crate core as _;
    }
    /// ItemKind::Use
    mod item_use {
        use ::{};
        use crate::expressions;
        use crate::items::item_use;
        use core::*;
    }
    /// ItemKind::Static
    mod item_static {
        static A: () = { };
        static mut B: () = { };
    }
    /// ItemKind::Const
    mod item_const {
        const A: () = { };
        trait TraitItems {
            const
            B:
            ();
            const
            C:
            ()
            =
            { };
        }
    }
    /// ItemKind::Fn
    mod item_fn {
        const unsafe extern "C" fn f() { }
        async unsafe extern "C" fn g()
            ->
                /*impl Trait*/ |mut _task_context: ResumeTy|
            { { let _t = { }; _t } }
        fn h<'a, T>() where T: 'a { }
        trait TraitItems {
            unsafe extern "C" fn f();
        }
        impl TraitItems for _ {
            unsafe extern "C" fn f() { }
        }
    }
    /// ItemKind::Mod
    mod item_mod { }
    /// ItemKind::ForeignMod
    mod item_foreign_mod {
        extern "Rust" { }
        extern "C" { }
    }
    /// ItemKind::GlobalAsm: see exhaustive-asm.rs
    /// ItemKind::TyAlias
    mod item_ty_alias {
        type Type<'a> where T: 'a = T;
    }
    /// ItemKind::Enum
    mod item_enum {
        enum Void { }
        enum Empty {
            Unit,
            Tuple(),
            Struct {
                },
        }
        enum Generic<'a, T> where T: 'a {
            Tuple(T),
            Struct {
                    t: T,
                },
        }
    }
    /// ItemKind::Struct
    mod item_struct {
        struct Unit;
        struct Tuple();
        struct Newtype(Unit);
        struct Struct {
        }
        struct Generic<'a, T> where T: 'a {
            t: T,
        }
    }
    /// ItemKind::Union
    mod item_union {
        union Generic<'a, T> where T: 'a {
            t: T,
        }
    }
    /// ItemKind::Trait
    mod item_trait {
        auto unsafe trait Send { }
        trait Trait<'a>: Sized where Self: 'a { }
    }
    /// ItemKind::TraitAlias
    mod item_trait_alias {
        trait Trait<T> = Sized where for<'a> T: 'a;
    }
    /// ItemKind::Impl
    mod item_impl {
        impl () { }
        impl <T> () { }
        impl Default for () { }
        impl const <T> Default for () { }
    }
    /// ItemKind::MacCall
    mod item_mac_call { }
    /// ItemKind::MacroDef
    mod item_macro_def {
        macro_rules! mac { () => {...}; }
        macro stringify { () => {} }
    }
    /// ItemKind::Delegation
    /** FIXME: todo */
    mod item_delegation { }
    /// ItemKind::DelegationMac
    /** FIXME: todo */
    mod item_delegation_mac { }
}
mod patterns {
    /// PatKind::Missing
    fn pat_missing() { let _: for fn(u32, T, &'_ str); }
    /// PatKind::Wild
    fn pat_wild() { let _; }
    /// PatKind::Ident
    fn pat_ident() {
        let x;
        let ref x;
        let mut x;
        let ref mut x;
        let ref mut x@_;
    }
    /// PatKind::Struct
    fn pat_struct() {
        let T {};
        let T::<T> {};
        let T::<'static> {};
        let T {  x };
        let T {  x: _x };
        let T { .. };
        let T {  x, .. };
        let T {  x: _x, .. };
        let T {  0: _x, .. };
        let <T as ToOwned>::Owned {};
    }
    /// PatKind::TupleStruct
    fn pat_tuple_struct() {
        struct Tuple();
        let Tuple();
        let Tuple::<T>();
        let Tuple::<'static>();
        let Tuple(x);
        let Tuple(..);
        let Tuple(x, ..);
    }
    /// PatKind::Or
    fn pat_or() { let true | false; let true; let true | false; }
    /// PatKind::Path
    fn pat_path() {
        let core::marker::PhantomData;
        let core::marker::PhantomData::<T>;
        let core::marker::PhantomData::<'static>;
        let <T as Trait>::CONST;
    }
    /// PatKind::Tuple
    fn pat_tuple() { let (); let (true,); let (true, false); }
    /// PatKind::Box
    fn pat_box() { let box pat; }
    /// PatKind::Deref
    fn pat_deref() { let deref!(pat); }
    /// PatKind::Ref
    fn pat_ref() { let &pat; let &mut pat; }
    /// PatKind::Expr
    fn pat_expr() { let 1000i8; let -""; }
    /// PatKind::Range
    fn pat_range() { let ..1; let 0...; let 0..1; let 0...1; let -2...-1; }
    /// PatKind::Slice
    fn pat_slice() { let []; let [true]; let [true]; let [true, false]; }
    /// PatKind::Rest
    fn pat_rest() { let _; }
    /// PatKind::Never
    fn pat_never() { let !; let Some(!); }
    /// PatKind::Paren
    fn pat_paren() { let pat; }
    /// PatKind::MacCall
    fn pat_mac_call() { let ""; let ""; let ""; }
}
mod statements {
    /// StmtKind::Let
    fn stmt_let() {
        let _;
        let _ = true;
        let _: T = true;
        let _ = true else { return; };
    }
    /// StmtKind::Item
    fn stmt_item() {
        struct Struct {
        }
        struct Unit;
    }
    /// StmtKind::Expr
    fn stmt_expr() { () }
    /// StmtKind::Semi
    fn stmt_semi() { 1 + 1; }
    /// StmtKind::Empty
    fn stmt_empty() { }
    /// StmtKind::MacCall
    fn stmt_mac_call() { "..."; "..."; "..."; }
}
mod types {
    /// TyKind::Slice
    fn ty_slice() { let _: [T]; }
    /// TyKind::Array
    fn ty_array() { let _: [T; 0]; }
    /// TyKind::Ptr
    fn ty_ptr() { let _: *const T; let _: *mut T; }
    /// TyKind::Ref
    fn ty_ref() {
        let _: &T;
        let _: &mut T;
        let _: &'static T;
        let _: &'static mut [T];
        let _: &T<T<T<T<T>>>>;
        let _: &T<T<T<T<T>>>>;
    }
    /// TyKind::BareFn
    fn ty_bare_fn() {
        let _: fn();
        let _: fn() -> ();
        let _: fn(T);
        let _: fn(t: T);
        let _: fn();
        let _: for<'a> fn();
    }
    /// TyKind::Never
    fn ty_never() { let _: !; }
    /// TyKind::Tup
    fn ty_tup() { let _: (); let _: (T,); let _: (T, T); }
    /// TyKind::Path
    fn ty_path() {
        let _: T;
        let _: T<'static>;
        let _: T<T>;
        let _: T<T>;
        let _: T;
        let _: <T as ToOwned>::Owned;
    }
    /// TyKind::TraitObject
    fn ty_trait_object() {
        let _: dyn Send;
        let _: dyn Send + 'static;
        let _: dyn Send + 'static;
        let _: dyn for<'a> Send;
    }
    /// TyKind::ImplTrait
    const fn ty_impl_trait() {
        let _: (/*ERROR*/);
        let _: (/*ERROR*/);
        let _: (/*ERROR*/);
        let _: (/*ERROR*/);
        let _: (/*ERROR*/);
        let _: (/*ERROR*/);
    }
    /// TyKind::Paren
    fn ty_paren() { let _: T; }
    /// TyKind::Typeof
    /** unused for now */
    fn ty_typeof() { }
    /// TyKind::Infer
    fn ty_infer() { let _: _; }
    /// TyKind::ImplicitSelf
    /** there is no syntax for this */
    fn ty_implicit_self() { }
    /// TyKind::MacCall
    fn ty_mac_call() {
        macro_rules! ty { ($ty:ty) => { $ty } }
        let _: T;
        let _: T;
        let _: T;
    }
    /// TyKind::CVarArgs
    /** FIXME: todo */
    fn ty_c_var_args() { }
    /// TyKind::Pat
    fn ty_pat() { let _: u32 is 1..=RangeMax; }
}
mod visibilities {
    /// VisibilityKind::Public
    mod visibility_public {
        struct Pub;
    }
    /// VisibilityKind::Restricted
    mod visibility_restricted {
        struct PubCrate;
        struct PubSelf;
        struct PubSuper;
        struct PubInCrate;
        struct PubInSelf;
        struct PubInSuper;
        struct PubInCrateVisibilities;
        struct PubInSelfSuper;
        struct PubInSuperMod;
    }
}