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authorAndy <drumsetmonkey@gmail.com>2019-08-29 13:07:45 -0400
committerAndy <drumsetmonkey@gmail.com>2019-08-29 13:07:45 -0400
commit4ac4b280abf2ffa28caa5a532353115a3033444f (patch)
tree2a13d658bb454360b2faf401244bb0321d3460d4 /lib/sol2/examples/source/tutorials/erase_demo.cpp
parente9758416b18b27a65337c28d9641afc0ee89b34b (diff)
parent7a46fa2dd3dad3f038bf8e7339bc67abca428ae6 (diff)
Started creating scripting library/namespace and added sol2 for interfacing
Diffstat (limited to 'lib/sol2/examples/source/tutorials/erase_demo.cpp')
-rw-r--r--lib/sol2/examples/source/tutorials/erase_demo.cpp30
1 files changed, 30 insertions, 0 deletions
diff --git a/lib/sol2/examples/source/tutorials/erase_demo.cpp b/lib/sol2/examples/source/tutorials/erase_demo.cpp
new file mode 100644
index 0000000..3621a72
--- /dev/null
+++ b/lib/sol2/examples/source/tutorials/erase_demo.cpp
@@ -0,0 +1,30 @@
+#define SOL_ALL_SAFETIES_ON 1
+#include <sol/sol.hpp>
+
+#include <iostream>
+
+int main() {
+
+ sol::state lua;
+ lua["bark"] = 50;
+ sol::optional<int> x = lua["bark"];
+ // x will have a value
+ if (x) {
+ std::cout << "x has no value, as expected" << std::endl;
+ }
+ else {
+ return -1;
+ }
+
+ lua["bark"] = sol::lua_nil;
+ sol::optional<int> y = lua["bark"];
+ // y will not have a value
+ if (y) {
+ return -1;
+ }
+ else {
+ std::cout << "y has no value, as expected" << std::endl;
+ }
+
+ return 0;
+}