// Functions.

// Function to return a value from a map based on a key.
@function get-var($key, $map) {
  @if map-has-key($map, $key) {
    @return map-get($map, $key);
  }

  @warn 'Unknown `#{$key}` in map. Try "@include print($map);" to see what\'s available.';
  @return null;
}