<html><head><style>
body {
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
padding:1em;
margin:auto;
background:#fefefe;
}
h1, h2, h3, h4, h5, h6 {
font-weight: bold;
}
h1 {
color: #000000;
font-size: 28pt;
}
h2 {
border-bottom: 1px solid #CCCCCC;
color: #000000;
font-size: 24px;
}
h3 {
font-size: 18px;
}
h4 {
font-size: 16px;
}
h5 {
font-size: 14px;
}
h6 {
color: #777777;
background-color: inherit;
font-size: 14px;
}
hr {
height: 0.2em;
border: 0;
color: #CCCCCC;
background-color: #CCCCCC;
display: inherit;
}
p, blockquote, ul, ol, dl, li, table, pre {
margin: 15px 0;
}
a, a:visited {
color: #4183C4;
background-color: inherit;
text-decoration: none;
}
#message {
border-radius: 6px;
border: 1px solid #ccc;
display:block;
width:100%;
height:60px;
margin:6px 0px;
}
button, #ws {
font-size: 12 pt;
padding: 4px 6px;
border-radius: 5px;
border: 1px solid #bbb;
background-color: #eee;
}
code, pre, #ws, #message {
font-family: Monaco;
font-size: 10pt;
border-radius: 3px;
background-color: #F8F8F8;
color: inherit;
}
code {
border: 1px solid #EAEAEA;
margin: 0 2px;
padding: 0 5px;
}
pre {
border: 1px solid #CCCCCC;
overflow: auto;
padding: 4px 8px;
}
pre > code {
border: 0;
margin: 0;
padding: 0;
}
#ws { background-color: #f8f8f8; }
.bloop_markdown table {
border-collapse: collapse;
font-family: Helvetica, arial, freesans, clean, sans-serif;
color: rgb(51, 51, 51);
font-size: 15px; line-height: 25px;
padding: 0; }
.bloop_markdown table tr {
border-top: 1px solid #cccccc;
background-color: white;
margin: 0;
padding: 0; }
.bloop_markdown table tr:nth-child(2n) {
background-color: #f8f8f8; }
.bloop_markdown table tr th {
font-weight: bold;
border: 1px solid #cccccc;
margin: 0;
padding: 6px 13px; }
.bloop_markdown table tr td {
border: 1px solid #cccccc;
margin: 0;
padding: 6px 13px; }
.bloop_markdown table tr th :first-child, table tr td :first-child {
margin-top: 0; }
.bloop_markdown table tr th :last-child, table tr td :last-child {
margin-bottom: 0; }
.bloop_markdown blockquote{
border-left: 4px solid #dddddd;
padding: 0 15px;
color: #777777; }
blockquote > :first-child {
margin-top: 0; }
blockquote > :last-child {
margin-bottom: 0; }
code, pre, #ws, #message {
word-break: normal;
word-wrap: normal;
}
hr {
display: inherit;
}
.bloop_markdown :first-child {
-webkit-margin-before: 0;
}
code, pre, #ws, #message {
font-family: Menlo, Consolas, Liberation Mono, Courier, monospace;
}
.send { color:#77bb77; }
.server { color:#7799bb; }
.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>And just as a side note: the example does work like this:</p>
<pre><code class="swift">func f<T : IntegerLiteralConvertible>() -> T {
return T(integerLiteral: 43 as! T.IntegerLiteralType) // Error
}
func g<T : IntegerLiteralConvertible where T.IntegerLiteralType == Int>() -> T {
return T(integerLiteral: 43)
}
let test: Int = f()
let test2: Int = g()
</code></pre>
<p>I assume everyone does know that. The example by itself shows us that literals are in fact typeless until they’re converted into a real type.</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_1467183129586830080" 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 29. Juni 2016 um 08:48:30, Dave Abrahams via swift-evolution (<a href="mailto:swift-evolution@swift.org">swift-evolution@swift.org</a>) schrieb:</p> <blockquote type="cite" class="clean_bq"><span><div><div></div><div><br>on Tue Jun 28 2016, Erica Sadun <swift-evolution@swift.org> wrote:<br><br>>> On Jun 28, 2016, at 9:21 PM, Sean Heber <sean@fifthace.com> wrote:<br>>> <br>>> IntegerLiteralExpressable?<br>>> <br>>> Does Apple employ any philosophers? We might need one...<br>>> <br>>> l8r<br>>> Sean<br>>> <br>><br>> Aaaaaand...welcome to last night.<br>><br>> The problem being, that people see this and think that the type can be<br>> expressed as an integer literal, <br><br>**Which is almost exactly the right interpretation, as I keep pointing<br>out.** How can this be considered a valid argument against that name?<br><br>> not that an integer literal can be expressing the type.<br>> (I won't even bring up other associations for that word since most of<br>> the subscribers of this mailing list have not been nursing mothers<br>> although some may be familiar with the technique.)<br>><br>> -- E<br>><br>>> <br>>>> On Jun 28, 2016, at 10:02 PM, Erica Sadun <erica@ericasadun.com> wrote:<br>>>> <br>>>> <br>>>>> On Jun 28, 2016, at 8:08 PM, Sean Heber <sean@fifthace.com> wrote:<br>>>>> <br>>>>> What about..<br>>>>> <br>>>>> Syntax.ConvertibleFromIntegerLiteral<br>>>>> etc..<br>>>> <br>>>> I like it but Dave has already expressed that this isn't conversion. This<br>>>> is something distinct, magical, and more importantly, ineffable.<br>>>> <br>>>> He says it means an instance of the type can be written as a literal, and<br>>>> not converted from a literal. He writes:<br>>>> <br>>>>> Conformance to this protocol does *not* mean you can initialize the type with<br>>>>> a literal. <br>>>>> <br>>>>> Proof:<br>>>>> <br>>>>> func f<T: IntegerLiteralConvertible>() -> T {<br>>>>> return T(integerLiteral: 43) // Error<br>>>>> return T(43) // Also an Error<br>>>>> }<br>>>>> <br>>>>> It means an instance of the type can be *written* as a literal:<br>>>>> <br>>>>> func f<T: IntegerLiteralConvertible>() -> T {<br>>>>> return 43 // OK<br>>>>> }<br>>>>>> <br>>>> <br>>>> So we're looking at something more like:<br>>>> <br>>>> Syntax.AnIntegerLiteralCanBeSubstitutedForThisTypeAndTheCompilerWillNotBarf<br>>>> <br>>>> -- E<br>>>> <br>>>> <br>><br>> _______________________________________________<br>> swift-evolution mailing list<br>> swift-evolution@swift.org<br>> https://lists.swift.org/mailman/listinfo/swift-evolution<br><br>-- <br>Dave<br><br>_______________________________________________<br>swift-evolution mailing list<br>swift-evolution@swift.org<br>https://lists.swift.org/mailman/listinfo/swift-evolution<br></div></div></span></blockquote></div><div class="bloop_markdown"><p></p></div></body></html>