<===> input.scss
0//#{
{

<===> error
Error: Invalid CSS after "{": expected "}", was ""
        on line 3 of input.scss
  Use --trace for backtrace.

<===> error-dart-sass
Error: expected "}".
  ,
2 | {
  |  ^
  '
  input.scss 2:2  root stylesheet

<===> error-libsass
Error: Invalid CSS after "0//#{": expected expression (e.g. 1px, bold), was "{"
        on line 1 of input.scss