Generated by SassMeister.com, the Sass playground.

SassMeister-input.sass

=position($type, $params...)
    position: #{$type}
    @each $param in $params
        #{nth($param,1)}: #{nth($param,2)}

.test
    +position(absolute, bottom 0px, top 0px)

.test2
    +position(relative, right 3px)

SassMeister-output.css

.test {
  position: absolute;
  bottom: 0px;
  top: 0px;
}

.test2 {
  position: relative;
  right: 3px;
}