n class='comment'>// 所有権と関数の結果を返す</span>
    (<span class='ident'>v1</span>, <span class='ident'>v2</span>, <span class='number'>42</span>)
}

<span class='kw'>let</span> <span class='ident'>v1</span> <span class='op'>=</span> <span class='macro'>vec</span><span class='macro'>!</span>[<span class='number'>1</span>, <span class='number'>2</span>, <span class='number'>3</span>];
<span class='kw'>let</span> <span class='ident'>v2</span> <span class='op'>=</span> <span class='macro'>vec<