// This variable is not intended to be overridden externally; it uses !default to avoid being reset
// every time this file is imported.
$rw-base-styles-emitted_: () !default;

@mixin rw-base-emit-once($key) {
  @if not index($rw-base-styles-emitted_, $key) {
    $rw-base-styles-emitted_: append($rw-base-styles-emitted_, $key, comma) !global;

    @content;
  }
}