X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2FMathAtom.cpp;h=10f52174b6f44a73f0d90fa5c9af9b561cf0c233;hb=38c2cde0d8695ac5287bae218c4a33a2acf18ef8;hp=a8483ea212cd0b07e91840dbfd05420282dc93e5;hpb=07924ac300f68eaf4825951af6a6ac3c14d6edd6;p=lyx.git

diff --git a/src/mathed/MathAtom.cpp b/src/mathed/MathAtom.cpp
index a8483ea212..10f52174b6 100644
--- a/src/mathed/MathAtom.cpp
+++ b/src/mathed/MathAtom.cpp
@@ -18,37 +18,20 @@ using namespace std;
 namespace lyx {
 
 
-MathAtom::MathAtom()
-	: nucleus_(0)
-{}
-
-
 MathAtom::MathAtom(InsetMath * p)
 	: nucleus_(p)
 {}
 
 
 MathAtom::MathAtom(MathAtom const & at)
-	: nucleus_(0)
-{
-	if (at.nucleus_)
-		nucleus_ = static_cast<InsetMath*>(at.nucleus_->clone());
-}
+	: nucleus_(at.nucleus_ ? static_cast<InsetMath*>(at->clone()) : nullptr)
+{}
 
 
 MathAtom & MathAtom::operator=(MathAtom const & at)
 {
-	if (&at == this)
-		return *this;
-	MathAtom tmp(at);
-	swap(tmp.nucleus_, nucleus_);
-	return *this;
-}
-
-
-MathAtom::~MathAtom()
-{
-	delete nucleus_;
+	// copy then move-assign
+	return operator=(MathAtom(at));
 }