1<===> input.scss
2#{bar},
3[foo="#{bar}"],
4[foo="#{bar}"] {
5    content: "foo";
6}
7
8<===> output.css
9bar,
10[foo="bar"],
11[foo="bar"] {
12  content: "foo";
13}
14
15<===> output-dart-sass.css
16bar,
17[foo=bar],
18[foo=bar] {
19  content: "foo";
20}
21