<===> options.yml
---
:todo:
- libsass

<===> input.scss
@function foo($bar:#{}) {
  @return $bar;
}

$foo: foo();

<===> error
Error: Invalid CSS after "...ion foo($bar:#{": expected expression (e.g. 1px, bold), was "}) {"

<===> error-dart-sass
Error: Expected expression.
  ,
1 | @function foo($bar:#{}) {
  |                    ^^
  '
  input.scss 1:20  root stylesheet