public function bind(string $name, callable $callback): self
    {
        $this->bindings[$name] = $callback;
        return $this;
    }
public function bind(string $name, callable $callback): self
    {
        $this->bindings[$name] = $callback;
        return $this;
    }
public function bind ( string $ name , callable $ callback ) : self { $ this -> bindings [ $ name ] = $ callback ; return $ this ; }
Bind a value to a name

@param   string $name
@param   callable $callback
@return  static|Route
Bind a value to a name