<div dir="ltr">On 27 October 2017 at 00:45, Howard Lovatt <span dir="ltr">&lt;<a href="mailto:howard.lovatt@gmail.com" target="_blank">howard.lovatt@gmail.com</a>&gt;</span> wrote:<div><div class="gmail_extra"><div class="gmail_quote"><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>Rather than expand local function syntax why not deprecate local functions completely</div></div></blockquote><div><br></div><div>a cautious +0.5. local functions do not add that much value as one would hope and beyond what&#39;s already discussed above, unfortunately break one major programming guideline: &quot;keep functions short&quot; (*). the following two fragments are not too different:</div><div><br></div><div><div><div>&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;</div><div><span class="gmail-Apple-tab-span" style="white-space:pre">        </span>func foo() {</div><div><br></div><div><span class="gmail-Apple-tab-span" style="white-space:pre">                </span>let animations = {</div><div><span class="gmail-Apple-tab-span" style="white-space:pre">                        </span>self.view.alpha = 0.5<span class="gmail-Apple-tab-span" style="white-space:pre">        </span>// self needed</div><div><span class="gmail-Apple-tab-span" style="white-space:pre">                </span>}</div><div><br></div><div><span class="gmail-Apple-tab-span" style="white-space:pre">                </span>UIView.animate(withDuration: 1, animations: animations) {</div><div><span class="gmail-Apple-tab-span" style="white-space:pre">                        </span>self.variable = 1<span class="gmail-Apple-tab-span" style="white-space:pre">                </span>// self needed</div><div><span class="gmail-Apple-tab-span" style="white-space:pre">                        </span>print(&quot;completed&quot;)</div><div><span class="gmail-Apple-tab-span" style="white-space:pre">                </span>}</div><div><span class="gmail-Apple-tab-span" style="white-space:pre">        </span>}</div><div>==============</div><div><span class="gmail-Apple-tab-span" style="white-space:pre">        </span>func foo() {</div><div><br></div><div><span class="gmail-Apple-tab-span" style="white-space:pre">                </span>func animations() {</div><div><span class="gmail-Apple-tab-span" style="white-space:pre">                        </span>view.alpha = 0.5 <span class="gmail-Apple-tab-span" style="white-space:pre">            </span>// can do without self...</div><div><span class="gmail-Apple-tab-span" style="white-space:pre">                </span>}</div><div><br></div><div><span class="gmail-Apple-tab-span" style="white-space:pre">                </span>func completion(_ : Bool) {</div><div><span class="gmail-Apple-tab-span" style="white-space:pre">                        </span>variable = 1<span class="gmail-Apple-tab-span" style="white-space:pre">                    </span>// can do without self...</div><div><span class="gmail-Apple-tab-span" style="white-space:pre">                        </span>print(&quot;completed&quot;)</div><div><span class="gmail-Apple-tab-span" style="white-space:pre">                </span>}</div><div><span class="gmail-Apple-tab-span" style="white-space:pre">                </span></div><div><span class="gmail-Apple-tab-span" style="white-space:pre">                </span>UIView.animate(withDuration: 1, animations: animations, completion: completion)</div><div><span class="gmail-Apple-tab-span" style="white-space:pre">        </span>}</div><div>&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;</div></div></div><div><br></div><div>(*) - closures break the  &quot;keep functions short&quot; guideline as well :)<br></div><div><br></div><div>Mike</div><div><br></div><div><br></div><div><br></div></div><br></div></div></div>