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authorJohn McCall <rjmccall@apple.com>2010-06-16 08:48:08 +0000
committerJohn McCall <rjmccall@apple.com>2010-06-16 08:48:08 +0000
commitd45c93c92e19085b48ff40dad97a44746debfd29 (patch)
tree1de60ec9598461256a46a7c1fec2445ce37ca3f6 /www/cxx_compatibility.html
parentad00b7705f9bbee81beeac428e7c6587734ab5a6 (diff)
Some more nods to HTML well-formedness.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106094 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'www/cxx_compatibility.html')
-rw-r--r--www/cxx_compatibility.html26
1 files changed, 13 insertions, 13 deletions
diff --git a/www/cxx_compatibility.html b/www/cxx_compatibility.html
index 46e3a9f909..5ad443fc43 100644
--- a/www/cxx_compatibility.html
+++ b/www/cxx_compatibility.html
@@ -120,11 +120,11 @@ Note that the forthcoming C++0x standard will allow this.
<p>Some versions of GCC accept the following invalid code:
<pre>
-#include &lt;iostream>
-#include &lt;utility>
+#include &lt;iostream&gt;
+#include &lt;utility&gt;
-template&lt;typename T>
-void Dump(const T& value) {
+template&lt;typename T&gt;
+void Dump(const T&amp; value) {
std::cout &lt;&lt; value &lt;&lt; "\n";
}
@@ -132,7 +132,7 @@ namespace ns {
struct Data {};
}
-std::ostream& operator&lt;&lt;(std::ostream& out, ns::Data) {
+std::ostream& operator&lt;&lt;(std::ostream&amp; out, ns::Data) {
return out &lt;&lt; "Some data";
}
@@ -141,8 +141,8 @@ void Use() {
Dump(ns::Data());
}
-template&lt;typename T, typename U>
-std::ostream& operator&lt;&lt;(std::ostream& out, const std::pair&lt;T, U>& p) {
+template&lt;typename T, typename U&gt;
+std::ostream&amp; operator&lt;&lt;(std::ostream& out, const std::pair&lt;T, U&gt;&amp; p) {
return out &lt;&lt; '(' &lt;&lt; p.first &lt;&lt; ", " &lt;&lt; p.second &lt;&lt; ")";
}
</pre>
@@ -150,16 +150,16 @@ std::ostream& operator&lt;&lt;(std::ostream& out, const std::pair&lt;T, U>& p) {
<p>Clang complains:</p>
<pre>
-<b>test.cc:6:13: <span class=error>error:</span> invalid operands to binary expression ('ostream' (aka 'basic_ostream&lt;char>') and 'std::pair&lt;int, double> const')</b>
+<b>test.cc:6:13: <span class=error>error:</span> invalid operands to binary expression ('ostream' (aka 'basic_ostream&lt;char&gt;') and 'std::pair&lt;int, double&gt; const')</b>
std::cout &lt;&lt; value &lt;&lt; "\n";
<span class=caret>~~~~~~~~~ ^ ~~~~~</span>
-<b>test.cc:18:3: note:</b> in instantiation of function template specialization 'Dump&lt;std::pair&lt;int, double> >' requested here
+<b>test.cc:18:3: note:</b> in instantiation of function template specialization 'Dump&lt;std::pair&lt;int, double&gt; &gt;' requested here
Dump(std::make_pair(3, 4.5));
<span class=caret>^</span>
-<b>test.cc:6:13: <span class=error>error:</span> invalid operands to binary expression ('ostream' (aka 'basic_ostream&lt;char>') and 'ns::Data const')</b>
+<b>test.cc:6:13: <span class=error>error:</span> invalid operands to binary expression ('ostream' (aka 'basic_ostream&lt;char&gt;') and 'ns::Data const')</b>
std::cout &lt;&lt; value &lt;&lt; "\n";
<span class=caret>~~~~~~~~~ ^ ~~~~~</span>
-<b>test.cc:19:3: note:</b> in instantiation of function template specialization 'Dump&lt;ns::Data>' requested here
+<b>test.cc:19:3: note:</b> in instantiation of function template specialization 'Dump&lt;ns::Data&gt;' requested here
Dump(ns::Data());
<span class=caret>^</span>
2 errors generated.
@@ -168,8 +168,8 @@ std::ostream& operator&lt;&lt;(std::ostream& out, const std::pair&lt;T, U>& p) {
<p>The standard, in [temp.dep.candidate], says that unqualified names
like <tt>operator&lt;&lt;</tt> are looked up when the template is
defined, not when it's instantiated. Since
-<tt>operator&lt;&lt;(std::ostream&, const std::pair&lt;>&)</tt>
-and <tt>operator&lt;&lt;(std::ostream&, ns::Data)</tt> were not
+<tt>operator&lt;&lt;(std::ostream&amp;, const std::pair&lt;>&amp;)</tt>
+and <tt>operator&lt;&lt;(std::ostream&amp;, ns::Data)</tt> were not
declared yet when <tt>Dump</tt> was defined, they're not considered.
<p>This is complicated by <i>argument-dependent lookup</i> (ADL),