Nargo fmt crashes on functions without args without parens

[spalladino]

Aim

Format:

fn foo {
    assert(1==2);
}

Expected Behavior

Running nargo fmt works. Note that nargo build works.

Bug

warning: unused function foo
  ┌─ src/main.nr:1:4
  │
1 │ fn foo {
  │    --- unused function
  │

$ nargo fmt
The application panicked (crashed).
Message:  Expected token LeftParen, got: LeftBrace
Location: tooling/nargo_fmt/src/formatter.rs:193

This is a bug. We may have already fixed this in newer versions of Nargo so try searching for similar issues at https://github.com/noir-lang/noir/issues/.
If there isn't an open issue for this bug, consider opening one at https://github.com/noir-lang/noir/issues/new?labels=bug&template=bug_report.yml

To Reproduce

No response

Workaround

None

Workaround Description

No response

Additional Context

No response

Project Impact

None

Blocker Context

No response

Nargo Version

7311d8c

NoirJS Version

No response

Proving Backend Tooling & Version

No response

Would you like to submit a PR for this Issue?

None

Support Needs

No response

[asterite]

Thank you for reporting this!