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Change constraint on format functions

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* For the two format functions dependent upon Alloc, constrain against
  basic_ostringstream<charT, traits, Alloc> instead of
  basic_ostream<charT, traits>.
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Howard Hinnant
2017-06-18 12:16:27 -04:00
parent ddfaabea00
commit 047da3548e
1 changed files with 2 additions and 2 deletions
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@@ -3006,7 +3006,7 @@ format(const basic_string&lt;charT, traits, Alloc&gt;&amp; fmt, const Streamable
<blockquote>
<p>
<i>Remarks:</i> This function shall not participate in overload resolution unless
<code>to_stream(declval&lt;basic_ostream&lt;charT, traits, Alloc&gt;&amp;&gt;(), fmt.c_str(), s)</code>
<code>to_stream(declval&lt;basic_ostringstream&lt;charT, traits, Alloc&gt;&amp;&gt;(), fmt.c_str(), s)</code>
is a valid expression.
</p>
@@ -3030,7 +3030,7 @@ format(const locale&amp; loc, const basic_string&lt;charT, traits, Alloc&gt;&amp
<blockquote>
<p>
<i>Remarks:</i> This function shall not participate in overload resolution unless
<code>to_stream(declval&lt;basic_ostream&lt;charT, traits, Alloc&gt;&amp;&gt;(), fmt.c_str(), s)</code>
<code>to_stream(declval&lt;basic_ostringstream&lt;charT, traits, Alloc&gt;&amp;&gt;(), fmt.c_str(), s)</code>
is a valid expression.
</p>