[Textmate] Lambda with attribute

[sharpchen]

Details

What editor are you seeing the problem in? (e.g. Atom, Visual Studio Code, etc.)
VSCode

What version of the editor are you using?
1.85.1
What color theme are you using?
Dark plus

Repro

var concat = ([DisallowNull] string a, [DisallowNull] string b) => a + b;
var inc = [return: NotNullIfNotNull(nameof(s))] (int? s) => s.HasValue ? s++ : null;
Func<string?, int?> parse = [ProvidesNullCheck] (s) => (s is not null) ? int.Parse(s) : null;

Please provide a code example and (optionally) a screenshot demonstrating the problem.