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.send { color:#77bb77; }
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.error { color:#AA0000; }</style></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div class="bloop_markdown"><p>Well I’m clearly against this, it doesn’t hurt to use some more paeans inside a closure to tell the compiler if you want to destructure a tuple or use a single argument for the whole tuple.</p>
<p></p></div><div class="bloop_original_html"><style>body{font-family:Helvetica,Arial;font-size:13px}</style><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><br></div> <br> <div id="bloop_sign_1496831603668297984" class="bloop_sign"><div style="font-family:helvetica,arial;font-size:13px">-- <br>Adrian Zubarev<br>Sent with Airmail</div></div> <br><p class="airmail_on">Am 7. Juni 2017 um 12:31:47, Susan Cheng (<a href="mailto:susan.doggie@gmail.com">susan.doggie@gmail.com</a>) schrieb:</p> <blockquote type="cite" class="clean_bq"><span><div><div></div><div>
<title></title>
<div dir="ltr">`((Int, Int)) -> Void` will be same type as
`(Int, Int) -> Void`</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">2017-06-07 18:09 GMT+08:00 Adrian Zubarev
<span dir="ltr"><<a href="mailto:adrian.zubarev@devandartist.com" target="_blank">adrian.zubarev@devandartist.com</a>></span>:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="word-wrap:break-word">
<div class="m_4695019559940902313bloop_markdown">
<p>Keep in mind there is also SE–0111 cometary which promises sugar
for parameter labels for closures:</p>
<pre><code>// **
let foo(tuple:): ((Int, Int)) -> Void
// Sugar for **
let foo: (tuple: (Int, Int)) -> Void
</code></pre>
<p>What will happen if you’d always flatten here?</p>
</div>
<div class="m_4695019559940902313bloop_original_html">
<div id="m_4695019559940902313bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto">
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<div id="m_4695019559940902313bloop_sign_1496829865575453952" class="m_4695019559940902313bloop_sign">
<div style="font-family:helvetica,arial;font-size:13px">
<span class="">-- <br>
Adrian Zubarev<br>
Sent with Airmail</span></div>
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<span class=""><br></span>
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<div class="h5">
<p class="m_4695019559940902313airmail_on">Am 7. Juni 2017 um
12:03:08, Adrian Zubarev (<a href="mailto:adrian.zubarev@devandartist.com" target="_blank">adrian.zubarev@devandartist.<wbr>com</a>) schrieb:</p>
<blockquote type="cite" class="m_4695019559940902313clean_bq">
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<div class="m_4695019559940902313bloop_markdown">
<p><span>Well please no:</span></p>
<p><span>
<code>let fn2: ((Int, Int)) -> Void = { lhs, rhs in
}</code></span></p>
<p><span>Instead use destructuring sugar pitched by Chris Lattner
on the other thread:</span></p>
<p><span><code>let fn2: ((Int, Int)) -> Void = { ((lhs, rhs)) in
}</code></span></p>
<p><span>That’s a correct error:</span></p>
<pre><span><code>let fn3: (Int, Int) -> Void = { _ in }
</code></span></pre>
<p><span>This should be allowed, because we might want to work with
the whole tuple and not a desctructured elements only:</span></p>
<pre><span><code>let fn4: ((Int, Int)) -> Void = { tuple in }
</code></span></pre></div>
<div class="m_4695019559940902313bloop_original_html">
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<div id="m_4695019559940902313bloop_sign_1496829431623208960" class="m_4695019559940902313bloop_sign">
<div style="font-family:helvetica,arial;font-size:13px">
<span>-- <br>
Adrian Zubarev<br>
Sent with Airmail</span></div>
</div>
</div>
<div class="m_4695019559940902313bloop_markdown"></div>
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