docs: function verifsint(value, max, min) {
    assert.ok(typeof (value) == 'number',
        'cannot write a non-number as a number');
  
    assert.ok(value <= max, 'value larger than maximum allowed value');
  
    assert.ok(value >= min, 'value smaller than minimum allowed value');
  
    assert.ok(Math.floor(value) === value, 'value has a fractional component');
  }