Mixin to generate random number with LESS

makeRandom.less

/* Mixin to generate random number
   int should be 0 or 1, 1 being to make it an integer 
*/
.makeRandom(@min: 0, @max: @min+1, @int: 0) { 
  .checkInt() {
    @getNum: `Math.random() * (@{max} - @{min} + @{int})`;
    @base: unit(`@{int} == 1 ? Math.floor(@{getNum}) : @{getNum}`);
  }
  .checkInt();
  @randNum: @base + @min;
}

/* Use
*/
.rand1 {
  .makeRandom(); /* straight random decimal between 0 - 1 */
  random-number: @randNum;
}

.rand2 {
  .makeRandom(@max: 2); /* random decimal 0 - 2 */
  random-number: @randNum;
}

.rand3 {
  .makeRandom(10, 20, 1); /* random integer  10 - 20 */
  random-number: @randNum;  
}