public function merge(EncodingList $encodings): self
    {
        $copy = new self();
        $copy->stack = collect($this->stack)->merge($encodings->stack)->all();

        return $copy;
    }
public function merge(EncodingList $encodings): self
    {
        $copy = new self();
        $copy->stack = collect($this->stack)->merge($encodings->stack)->all();

        return $copy;
    }
public function merge ( EncodingList $ encodings ) : self { $ copy = new self ( ) ; $ copy -> stack = collect ( $ this -> stack ) -> merge ( $ encodings -> stack ) -> all ( ) ; return $ copy ; }
Return a new instance with the supplied encodings merged.

@param EncodingList $encodings
@return EncodingList
Return a new instance with the supplied encodings merged .