Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.3.0.rc.1)
// Compass (v0.13.alpha.7)
// ----

$cols: (
    half: 50%,
    full: 100%,
    third: 33.3333333%,
    quarter: 25%,
);

@each $col, $width in $cols{
    .#{$col}{
        width: $width;
    }
}
    

SassMeister-output.css

.half {
  width: 50%;
}

.full {
  width: 100%;
}

.third {
  width: 33.33333%;
}

.quarter {
  width: 25%;
}