whole_func_string: function empty (entity, schema, Empty) {
    if (typeof entity === 'undefined' || entity === null) {
      return
    }
    _.forEach(schema, function(v, k) {
      if (v === Empty) {
        delete entity[k]
      }
    })
  }
func_code_string: function empty (entity, schema, Empty) {
    if (typeof entity === 'undefined' || entity === null) {
      return
    }
    _.forEach(schema, function(v, k) {
      if (v === Empty) {
        delete entity[k]
      }
    })
  }
func_documentation_string: Deletes any properties from the entity which in the schema are marked as Empty.