Replace functor in BranchList

diff --git a/src/BranchList.cpp b/src/BranchList.cpp
index dd09f54171940e1462dff925b54c1927e21f0f01..58b4a81e8af1e566a9b014b6c5af5bc2afcff09c 100644 (file)
--- a/src/BranchList.cpp
+++ b/src/BranchList.cpp
@@ -25,26 +25,6 @@ using namespace std;
 
 namespace lyx {
 
-namespace {
-
-class BranchNamesEqual : public std::unary_function<Branch, bool>
-{
-public:
-       BranchNamesEqual(docstring const & name)
-               : name_(name)
-       {}
-
-       bool operator()(Branch const & branch) const
-       {
-               return branch.branch() == name_;
-       }
-private:
-       docstring name_;
-};
-
-} // namespace
-
-
 Branch::Branch()
        : selected_(false), filenameSuffix_(false)
 {
@@ -122,11 +102,21 @@ void Branch::setColor(string const & str)
 }
 
 
+namespace {
+
+std::function<bool (Branch const &)> BranchNamesEqual(docstring const & d)
+{
+       return [d](Branch const & b){ return b.branch() == d; };
+}
+
+} // namespace
+
+
 Branch * BranchList::find(docstring const & name)
 {
        List::iterator it =
                find_if(list_.begin(), list_.end(), BranchNamesEqual(name));
-       return it == list_.end() ? 0 : &*it;
+       return it == list_.end() ? nullptr : &*it;
 }
 
 
@@ -134,7 +124,7 @@ Branch const * BranchList::find(docstring const & name) const
 {
        List::const_iterator it =
                find_if(list_.begin(), list_.end(), BranchNamesEqual(name));
-       return it == list_.end() ? 0 : &*it;
+       return it == list_.end() ? nullptr : &*it;
 }
 
 
@@ -150,7 +140,7 @@ bool BranchList::add(docstring const & s)
                else
                        name = s.substr(i, j - i);
                // Is this name already in the list?
-               bool const already = find(name) != nullptr;
+               bool const already = find(name);
                if (!already) {
                        added = true;
                        Branch br;