Add selector move constructor to address #63.

include/selene/Selector.h

@@ -81,6 +81,17 @@ class Selector {
           _functor(other._functor)
         {}
 
+    Selector(Selector&& other)
+        : _state(other._state),
+          _registry(other._registry),
+          _name(other._name),
+          _traversal(other._traversal),
+          _get(other._get),
+          _put(other._put),
+          _functor(other._functor) {
+        other._functor = nullptr;
+    }
+
     ~Selector() {
         // If there is a functor is not empty, execute it and collect no args
         if (_functor) {

test/Test.cpp

@@ -72,6 +72,7 @@ static TestMap tests = {
     {"test_cache_selector_field_assignment", test_cache_selector_field_assignment},
     {"test_cache_selector_field_access", test_cache_selector_field_access},
     {"test_cache_selector_function", test_cache_selector_function},
+    {"test_function_should_run_once", test_function_should_run_once},
 
     {"test_register_class", test_register_class},
     {"test_get_member_variable", test_get_member_variable},
@@ -146,5 +147,5 @@ int main() {
 
     // For debugging anything in particular, you can run an individual
     //test like so:
-    //ExecuteTest("test_metatable_ptr_member");
+    //ExecuteTest("test_function_should_run_once");
 }

test/selector_tests.h

@@ -101,3 +101,10 @@ bool test_cache_selector_function(sel::State &state) {
     s();
     return state["global1"] == 8;
 }
+
+bool test_function_should_run_once(sel::State &state) {
+    state.Load("../test/test.lua");
+    auto should_run_once = state["should_run_once"];
+    should_run_once();
+    return state["should_be_one"] == 1;
+}

test/test.lua

@@ -61,4 +61,10 @@ end
 
 function set_global()
    global1 = 8
+end
+
+should_be_one = 0
+
+function should_run_once()
+   should_be_one = should_be_one + 1
 end