1<===> input.scss
2@function foo($list) {
3    @return call(bar, $list);
4}
5
6@function bar($list, $args...) {
7    @return length($list);
8}
9
10test {
11  test: foo(1 2 3);
12}
13
14<===> output.css
15test {
16  test: 3;
17}
18
19<===> warning
20DEPRECATION WARNING: Passing a string to call() is deprecated and will be illegal
21in Sass 4.0. Use call(function-reference(bar)) instead.
22
23<===> warning-dart-sass
24DEPRECATION WARNING: Passing a string to call() is deprecated and will be illegal
25in Dart Sass 2.0.0. Use call(get-function(bar)) instead.
26
27  ,
282 |     @return call(bar, $list);
29  |             ^^^^^^^^^^^^^^^^
30  '
31    input.scss 2:13  foo()
32    input.scss 10:9  root stylesheet
33