Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.4.4)
// Compass (v1.0.1)
// ----

@mixin classStartWith($classStarters...) {
  $selectors: null;
  @each $classStart in $classStarters {
    $selectors: $selectors, unquote("[class^=\"#{$classStart}\"], [class*=\" #{$classStart}\"]");
  }
  #{$selectors} {
    @content;
  }
}

@include classStartWith(covernode,listnode){
  @at-root .anotherselector, & {
   example: rule;
  }
  @at-root &, .anotherselector {
   example: rule;
  }
}

SassMeister-output.css

.anotherselector, [class^="covernode"], [class*=" covernode"], [class^="listnode"], [class*=" listnode"] {
  example: rule;
}
[class^="covernode"], .anotherselector, [class*=" covernode"], [class^="listnode"], [class*=" listnode"] {
  example: rule;
}