improve NameGame.cc

- src/NameGame.cc: explicit instantiation of copy assignment operator to
  avoid over-optimization removing the function.
- (update_memory): use TVec DelLast instead of Trunc which calls
  realloc. This is a little bit faster but still doesn't beat TLst.

Signed-off-by: Aiden Woodruff <woodra@rpi.edu>

1 files changed, 3 insertions, 1 deletions

diff --git a/src/NameGame.cc b/src/NameGame.cc
index ed56f09..bfd681c 100644
--- a/src/NameGame.cc
+++ b/src/NameGame.cc
@@ -56,6 +56,8 @@ TLst<TVal>& TLst<TVal>::operator=(const TLst<TVal>& l) {
         }
         return *this;
 }
+
+template TLst<TInt>& TLst<TInt>::operator=(const TLst<TInt>& l);
 #else
 template<typename TVal, typename TSizeTy>
 auto begin(const TVec<TVal, TSizeTy>& v) -> decltype(v.BegI()) {
@@ -234,7 +236,7 @@ void NameGame::update_memory(int nId, int strategy) {
                 d.Val2.DelLast();
 #else
                 d.Val2.Ins(0, strategy);
-                d.Val2.Trunc(memlen);
+                d.Val2.DelLast();
 #endif
         }
 }