code: function isDaySegmentCollision(segment, otherSegments) {
  	for (var i=0; i<otherSegments.length; i++) {
  		var otherSegment = otherSegments[i];
  		if (
  			otherSegment.leftCol <= segment.rightCol &&
  			otherSegment.rightCol >= segment.leftCol
  		) {
  			return true;
  		}
  	}
  	return false;
  }
docs: /* Generalized Segment Utilities
  -------------------------------------------------------------------------------------------------