original_string: public function set($field, $value)
      {
          return $this->map(function ($item) use($field,$value) {
              $method = $this->concatSet($field);
  
              return $item->$method($value);
          });
      }
code: public function set($field, $value)
      {
          return $this->map(function ($item) use($field,$value) {
              $method = $this->concatSet($field);
  
              return $item->$method($value);
          });
      }
code_tokens: public function set ( $ field , $ value ) { return $ this -> map ( function ( $ item ) use ( $ field , $ value ) { $ method = $ this -> concatSet ( $ field ) ; return $ item -> $ method ( $ value ) ; } ) ; }
docstring: Set the value in the specific field.
  @param $field
  @param $value
  @return ServiceCollection
docstring_tokens: Set the value in the specific field .