Iterate through arguments in a Mixin

iterateSelectorsMixin.css

.thisGuyWithStates {
  display: block;
  background-color: black;
  color: white;
}

.thisGuyWithStates:hover {
  background-color: red;
}

.thisGuyWithStates:not(.state1, .state2):hover {
  background-color: pink;
}

.thisGuyWithStates.state3:hover {
  background-color: green;
}

iterateSelectorsMixin.scss

// ----
// libsass (v3.2.5)
// ----

@mixin notSelectHover($args...){
  $selectors: ();
  @each $arg in $args {
    $selectors: append($selectors, unquote('#{$arg}'), comma);
  }
  &:not(#{$selectors}):hover {
    @content;
  }
}

.thisGuyWithStates {
  display:block;
  background-color: black;
  color: white;
  
  &:hover {
    background-color: red;
  }
  
  @include notClassHover('.state1', '.state2') {
    background-color: pink;
  }
  
  &.state3:hover {
    background-color: green;
  }

}

An example of simple iteration through mixin arguments which are selectors (classes)