Squashed 'external/entt/entt/' content from commit fef92113

git-subtree-dir: external/entt/entt
git-subtree-split: fef921132cae7588213d0f9bcd2fb9c8ffd8b7fc

test/lib/dispatcher_plugin/plugin.cpp

@@ -0,0 +1,19 @@
+#include <cr.h>
+#include <entt/signal/dispatcher.hpp>
+#include "types.h"
+
+CR_EXPORT int cr_main(cr_plugin *ctx, cr_op operation) {
+    switch(operation) {
+    case CR_STEP:
+        static_cast<entt::dispatcher *>(ctx->userdata)->trigger<event>();
+        static_cast<entt::dispatcher *>(ctx->userdata)->trigger(message{42});
+        break;
+    case CR_CLOSE:
+    case CR_LOAD:
+    case CR_UNLOAD:
+        // nothing to do here, this is only a test.
+        break;
+    }
+
+    return 0;
+}