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POCan't instantiate an istring_iterator using a wistringstream
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  1. POCan't instantiate an istring_iterator using a wistringstream
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    copied!<p>I'm trying to split a string using the method found in <a href="https://stackoverflow.com/questions/236129/how-to-split-a-string/237280#237280">this thread</a>, but I'm trying to adapt it to a wstring. However, I have stumbled upon a weird error. Check the code:</p> <pre><code>#include &lt;iostream&gt; #include &lt;sstream&gt; #include &lt;string&gt; #include &lt;vector&gt; #include &lt;algorithm&gt; #include &lt;iterator&gt; using namespace std; int main(void) { wstring str(L"Börk börk"); wistringstream iss(str); vector&lt;wstring&gt; tokens; copy(istream_iterator&lt;wstring&gt;(iss), // I GET THE ERROR HERE istream_iterator&lt;wstring&gt;(), back_inserter&lt; vector&lt;wstring&gt; &gt;(tokens)); return 0; } </code></pre> <p>The exact error message is:</p> <pre><code>error: no matching function for call to 'std::istream_iterator&lt;std::basic_string&lt;wchar_t, std::char_traits&lt;wchar_t&gt;, std::allocator&lt;wchar_t&gt; &gt;, char, std::char_traits&lt;char&gt;, int&gt;::istream_iterator(std::wistringstream&amp;)' </code></pre> <p>I think it is saying that it can't instantiate the istream_iterator using the passed <code>iss</code> (which is a <strong>w</strong>istringstream instead of a istringstream). This is on a Mac using XCode and GCC 4.2. And AFAIK there is no wistring_iterator or anything like that.</p> <p>It works perfectly when I'm using the non-wstring version. As you might see I have changed the declarations to use <code>wstring</code>, <code>wistringstream</code>s and <code>vector&lt;wstring&gt;</code>, just replaced everything to use the wide version.</p> <p>What could cause this and why won't it accept the wstring-version?</p>
 

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