<===> options.yml
---
:warning_todo:
- sass/libsass#2834

<===> input.scss
$continue_inner: true;
$continue_outer: true;
$root_default: initial;
$root_implicit: initial;
$root_explicit: initial !global;

@function fn() {
  @while $continue_outer {
    $root_implicit: outer;
    $root_explicit: outer !global;
    $root_default: outer !default;
    $local_implicit: outer;
    $local_explicit: outer !global;
    $local_default: outer !default;
    @while $continue_inner {
      $root_implicit: inner;
      $root_explicit: inner !global;
      $root_default: inner !default;
      $local_implicit: inner;
      $local_explicit: inner !global;
      $local_default: inner !default;
      $continue_inner: false;
    }
    $continue_outer: false;
  }
  $check_implicit: $root_implicit !global;
  $check_explicit: $root_explicit !global;
  $check_default: $root_default !global;
  @return null;
}

result {
  fn: fn();
  @if variable-exists(continue_outer) {
    continue_outer: $continue_outer;
  }
  @if variable-exists(continue_inner) {
    continue_inner: $continue_inner;
  }
  @if variable-exists(check_implicit) {
    check_implicit: $check_implicit;
  }
  @if variable-exists(check_explicit) {
    check_explicit: $check_explicit;
  }
  @if variable-exists(check_default) {
    check_default: $check_default;
  }
  root_default: $root_default;
  root_implicit: $root_implicit;
  root_explicit: $root_explicit;
  @if variable-exists(local_default) {
    local_default: $local_default;
  }
  @if variable-exists(local_implicit) {
    local_implicit: $local_implicit;
  }
  @if variable-exists(local_explicit) {
    local_explicit: $local_explicit;
  }
}

<===> output.css
result {
  continue_outer: true;
  continue_inner: true;
  check_implicit: initial;
  check_explicit: inner;
  check_default: initial;
  root_default: initial;
  root_implicit: initial;
  root_explicit: inner;
  local_explicit: inner;
}

<===> warning
DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to
declare new variables. Since this assignment is at the root of the stylesheet,
the !global flag is unnecessary and can safely be removed.

  ,
5 | $root_explicit: initial !global;
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  '
    input.scss 5:1  root stylesheet

DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to
declare new variables. Consider adding `$local_explicit: null` at the root of the
stylesheet.

   ,
13 |     $local_explicit: outer !global;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
    input.scss 13:5  fn()
    input.scss 33:7  root stylesheet

DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to
declare new variables. Consider adding `$check_implicit: null` at the root of the
stylesheet.

   ,
26 |   $check_implicit: $root_implicit !global;
   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
    input.scss 26:3  fn()
    input.scss 33:7  root stylesheet

DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to
declare new variables. Consider adding `$check_explicit: null` at the root of the
stylesheet.

   ,
27 |   $check_explicit: $root_explicit !global;
   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
    input.scss 27:3  fn()
    input.scss 33:7  root stylesheet

DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to
declare new variables. Consider adding `$check_default: null` at the root of the
stylesheet.

   ,
28 |   $check_default: $root_default !global;
   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
    input.scss 28:3  fn()
    input.scss 33:7  root stylesheet