result: Check against self-assignment in ResultVal's copy assignment operator

Avoids doing work that doesn't need to be done.
This commit is contained in:
Lioncash 2018-03-28 18:01:46 -04:00
parent be4c7ed082
commit 36e60c217a

View file

@ -200,6 +200,9 @@ public:
} }
ResultVal& operator=(const ResultVal& o) { ResultVal& operator=(const ResultVal& o) {
if (this == &o) {
return *this;
}
if (!empty()) { if (!empty()) {
if (!o.empty()) { if (!o.empty()) {
object = o.object; object = o.object;