Generated by SassMeister.com, the Sass playground.

SassMeister-input.scss

// hack of map/hash functionality, works best with SCSS syntax
// works with list of tuples; can accept key-value in either order. 

@function value($map, $key) {
  @each $pair in $map {
    $i: index($pair, $key);
    @if $i {
        @return nth($pair, 3 - $i);
    } 
  }
}
 
$test-map: 
    position absolute, 
    bottom 0px,
    5px right;
 
 
.test {
  position: value($test-map, position);
  bottom: value($test-map, bottom);
  right: value($test-map, right);
}

SassMeister-output.css

.test {
  position: absolute;
  bottom: 0px;
  right: 5px;
}