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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/overloading_with_fallback.cpp
parente9758416b18b27a65337c28d9641afc0ee89b34b (diff)
parent7a46fa2dd3dad3f038bf8e7339bc67abca428ae6 (diff)
Started creating scripting library/namespace and added sol2 for interfacing
Diffstat (limited to 'lib/sol2/examples/source/overloading_with_fallback.cpp')
-rw-r--r--lib/sol2/examples/source/overloading_with_fallback.cpp43
1 files changed, 43 insertions, 0 deletions
diff --git a/lib/sol2/examples/source/overloading_with_fallback.cpp b/lib/sol2/examples/source/overloading_with_fallback.cpp
new file mode 100644
index 0000000..c14ed46
--- /dev/null
+++ b/lib/sol2/examples/source/overloading_with_fallback.cpp
@@ -0,0 +1,43 @@
+#define SOL_ALL_SAFETIES_ON 1
+#include <sol/sol.hpp>
+
+#include <iostream>
+
+int func_1(int value) {
+ return 20 + value;
+}
+
+std::string func_2(std::string text) {
+ return "received: " + text;
+}
+
+sol::variadic_results fallback(sol::this_state ts, sol::variadic_args args) {
+ sol::variadic_results r;
+ if (args.size() == 2) {
+ r.push_back({ ts, sol::in_place, args.get<int>(0) + args.get<int>(1) });
+ }
+ else {
+ r.push_back({ ts, sol::in_place, 52 });
+ }
+ return r;
+}
+
+int main(int, char*[]) {
+ std::cout << "=== overloading with fallback ===" << std::endl;
+
+ sol::state lua;
+ lua.open_libraries();
+
+ lua.set_function("f", sol::overload(
+ func_1,
+ func_2,
+ fallback
+ ));
+
+ lua.script("print(f(1))"); // func_1
+ lua.script("print(f('hi'))"); // func_2
+ lua.script("print(f(22, 11))"); // fallback
+ lua.script("print(f({}))"); // fallback
+
+ return 0;
+}