refactor: rename RCollector.std_copy_for -> std_move_for

src/interpreter2/DClosure.cpp

@@ -71,7 +71,7 @@ namespace xo {
 
         DClosure *
         DClosure::shallow_move(obj<ACollector> gc) noexcept {
-            return gc.std_copy_for(this);
+            return gc.std_move_for(this);
         }
 
         std::size_t

src/interpreter2/DLocalEnv.cpp

@@ -98,7 +98,7 @@ namespace xo {
 
         DLocalEnv *
         DLocalEnv::shallow_move(obj<ACollector> gc) noexcept {
-            return gc.std_copy_for(this);
+            return gc.std_move_for(this);
         }
 
         std::size_t

src/interpreter2/DVirtualSchematikaMachine.cpp

@@ -958,7 +958,7 @@ namespace xo {
         {
             (void)gc;
 
-            /** TODO: should be able to use gc.std_copy_for(this) now
+            /** TODO: should be able to use gc.std_move_for(this) now
              *  that shallow_move uses move construction.
              *  DVirtualSchematikaMachine is (or can be made) moveable.
              **/

src/interpreter2/DVsmApplyClosureFrame.cpp

@@ -41,7 +41,7 @@ namespace xo {
         DVsmApplyClosureFrame *
         DVsmApplyClosureFrame::shallow_move(obj<ACollector> gc) noexcept
         {
-            return gc.std_copy_for(this);
+            return gc.std_move_for(this);
         }
 
         std::size_t

src/interpreter2/DVsmApplyFrame.cpp

@@ -49,7 +49,7 @@ namespace xo {
         DVsmApplyFrame *
         DVsmApplyFrame::shallow_move(obj<ACollector> gc) noexcept
         {
-            return gc.std_copy_for(this);
+            return gc.std_move_for(this);
         }
 
         std::size_t

src/interpreter2/DVsmDefContFrame.cpp

@@ -40,7 +40,7 @@ namespace xo {
         DVsmDefContFrame *
         DVsmDefContFrame::shallow_move(obj<ACollector> gc) noexcept
         {
-            return gc.std_copy_for<DVsmDefContFrame>(this);
+            return gc.std_move_for<DVsmDefContFrame>(this);
         }
 
         std::size_t

src/interpreter2/DVsmEvalArgsFrame.cpp

@@ -50,7 +50,7 @@ namespace xo {
         DVsmEvalArgsFrame *
         DVsmEvalArgsFrame::shallow_move(obj<ACollector> gc) noexcept
         {
-            return gc.std_copy_for(this);
+            return gc.std_move_for(this);
         }
 
         std::size_t

src/interpreter2/DVsmIfElseContFrame.cpp

@@ -38,7 +38,7 @@ namespace xo {
         DVsmIfElseContFrame *
         DVsmIfElseContFrame::shallow_move(obj<ACollector> gc) noexcept
         {
-            return gc.std_copy_for<DVsmIfElseContFrame>(this);
+            return gc.std_move_for<DVsmIfElseContFrame>(this);
         }
 
         std::size_t

src/interpreter2/DVsmSeqContFrame.cpp

@@ -41,7 +41,7 @@ namespace xo {
         DVsmSeqContFrame *
         DVsmSeqContFrame::shallow_move(obj<ACollector> gc) noexcept
         {
-            return gc.std_copy_for<DVsmSeqContFrame>(this);
+            return gc.std_move_for<DVsmSeqContFrame>(this);
         }
 
         std::size_t