X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FLength.cpp;h=90da83a74ca7080a9fbc2b75762ce761f13501f0;hb=2455bc258f3b62c29ec4a41cb88070ff8518e842;hp=49f1d633c4a16dea90fdabcebcba06df261a4779;hpb=5ddc612b735317d5b22553a63aad7879503e3950;p=lyx.git

diff --git a/src/Length.cpp b/src/Length.cpp
index 49f1d633c4..90da83a74c 100644
--- a/src/Length.cpp
+++ b/src/Length.cpp
@@ -23,12 +23,10 @@
 #include <sstream>
 #include <iomanip>
 
+using namespace std;
 
 namespace lyx {
 
-using std::ostringstream;
-using std::string;
-
 
 /////////////////////////////////////////////////////////////////////
 //
@@ -59,6 +57,13 @@ Length::Length(string const & data)
 }
 
 
+void Length::swap(Length & rhs)
+{
+	std::swap(val_, rhs.val_);
+	std::swap(unit_, rhs.unit_);
+}
+
+
 string const Length::asString() const
 {
 	ostringstream os;