ices/97194.rs: fixed with errors

[github-actions]

Issue: rust-lang/rust#97194

extern "" {
    fn bget(&self, index: [usize; Self::DIM]) -> bool {
    type T;
    type T<'a> = &'a str;
}

fn main() {}

=== stdout ===
=== stderr ===
error: this file contains an unclosed delimiter
 --> /home/runner/work/glacier/glacier/ices/97194.rs:7:14
  |
1 | extern "" {
  |           - unclosed delimiter
2 |     fn bget(&self, index: [usize; Self::DIM]) -> bool {
  |                                                       - this delimiter might not be properly closed...
...
5 | }
  | - ...as it matches this but it has different indentation
6 | 
7 | fn main() {}
  |              ^

error[E0428]: the name `T` is defined multiple times
 --> /home/runner/work/glacier/glacier/ices/97194.rs:4:5
  |
3 |     type T;
  |     ------- previous definition of the type `T` here
4 |     type T<'a> = &'a str;
  |     ^^^^^^^^^^^^^^^^^^^^^ `T` redefined here
  |
  = note: `T` must be defined only once in the type namespace of this block

error: incorrect function inside `extern` block
 --> /home/runner/work/glacier/glacier/ices/97194.rs:2:8
  |
1 |   extern "" {
  |   --------- `extern` blocks define existing foreign functions and functions inside of them cannot have a body
2 |       fn bget(&self, index: [usize; Self::DIM]) -> bool {
  |  ________^^^^___________________________________________-
  | |        |
  | |        cannot have a body
3 | |     type T;
4 | |     type T<'a> = &'a str;
5 | | }
  | |_- help: remove the invalid body: `;`
  |
  = help: you might have meant to write a function accessible through FFI, which can be done by writing `extern fn` outside of the `extern` block
  = note: for more information, visit https://doc.rust-lang.org/std/keyword.extern.html

error: `self` parameter is only allowed in associated functions
 --> /home/runner/work/glacier/glacier/ices/97194.rs:2:13
  |
2 |     fn bget(&self, index: [usize; Self::DIM]) -> bool {
  |             ^^^^^ not semantically valid as function parameter
  |
  = note: associated functions are those in `impl` or `trait` definitions

error: free type alias without body
 --> /home/runner/work/glacier/glacier/ices/97194.rs:3:5
  |
3 |     type T;
  |     ^^^^^^-
  |           |
  |           help: provide a definition for the type: `= <type>;`

error: incorrect function inside `extern` block
 --> /home/runner/work/glacier/glacier/ices/97194.rs:7:4
  |
1 | extern "" {
  | --------- `extern` blocks define existing foreign functions and functions inside of them cannot have a body
...
7 | fn main() {}
  |    ^^^^   -- help: remove the invalid body: `;`
  |    |
  |    cannot have a body
  |
  = help: you might have meant to write a function accessible through FFI, which can be done by writing `extern fn` outside of the `extern` block
  = note: for more information, visit https://doc.rust-lang.org/std/keyword.extern.html

error[E0433]: failed to resolve: use of undeclared type `Self`
 --> /home/runner/work/glacier/glacier/ices/97194.rs:2:35
  |
2 |     fn bget(&self, index: [usize; Self::DIM]) -> bool {
  |                                   ^^^^ use of undeclared type `Self`

error[E0703]: invalid ABI: found ``
 --> /home/runner/work/glacier/glacier/ices/97194.rs:1:8
  |
1 | extern "" {
  |        ^^ invalid ABI
  |
  = help: valid ABIs: Rust, C, C-unwind, cdecl, cdecl-unwind, stdcall, stdcall-unwind, fastcall, fastcall-unwind, vectorcall, vectorcall-unwind, thiscall, thiscall-unwind, aapcs, aapcs-unwind, win64, win64-unwind, sysv64, sysv64-unwind, ptx-kernel, msp430-interrupt, x86-interrupt, amdgpu-kernel, efiapi, avr-interrupt, avr-non-blocking-interrupt, C-cmse-nonsecure-call, wasm, system, system-unwind, rust-intrinsic, rust-call, platform-intrinsic, unadjusted

error: the `main` function cannot be declared in an `extern` block
 --> /home/runner/work/glacier/glacier/ices/97194.rs:7:1
  |
7 | fn main() {}
  | ^^^^^^^^^^^^

error: aborting due to 9 previous errors

Some errors have detailed explanations: E0428, E0433, E0703.
For more information about an error, try `rustc --explain E0428`.
==============