[PATCH] Overload std::distance and std::advance for path::iterator

Jonathan Wakely jwakely@redhat.com
Thu Dec 13 12:09:00 GMT 2018


On 12/12/18 16:14 +0000, Jonathan Wakely wrote:
>+void
>+test04()
>+{
>+  std::filesystem::path p = "/a/b/c/d/e/f/g";
>+  VERIFY( std::distance(p.begin(), p.end()) == 8);
>+  auto it = p.begin();
>+  std::advance(it, 1);
>+  VERIFY( std::distance(p.begin(), it) == 1 );
>+  VERIFY( it->native() == "a" );
>+  std::advance(it, 3);
>+  VERIFY( std::distance(p.begin(), it) == 4 );
>+  VERIFY( it->native() == "d" );
>+  std::advance(it, -2);
>+  VERIFY( std::distance(p.begin(), it) == 2 );
>+  VERIFY( it->native() == "b" );

This fails on Windows because native() returns a wide string.

Fixed like so, committed to trunk.


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