Std.string</a>(this[1]) + sep + ... + sep + <a href="./Std.html#string">Std.string</a>(this[this.<a href="#length">length</a>-1])</code></p>
<p>If <code>this</code> is the empty Array <code>[]</code>, the result is the empty String <code>""</code>.
If <code>this</code> has exactly one element, the result is equal to a call to
<code><a href="./Std.html#string">Std.string</a>(this[0])</code>.</p>
<p>If <code>sep</code> is null, the result is unspecified.</p></div></div><div class="field "><a name="keyValueIte