From f061e0040df7fb652f3c56f23e744673585bd2a7 Mon Sep 17 00:00:00 2001
From: Rapptz <rapptz@gmail.com>
Date: Sat, 14 Dec 2013 00:28:14 -0500
Subject: [PATCH] Add operator== and operator!= support for sol::object and nil
---
sol/object.hpp | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/sol/object.hpp b/sol/object.hpp
index db374fd2..1c6f53d1 100644
--- a/sol/object.hpp
+++ b/sol/object.hpp
@@ -32,20 +32,36 @@ public:
object() = default;
template<typename T>
- T as() {
+ T as() const {
push();
type_assert(state(), -1, type_of<T>());
return stack::get<T>(state());
}
template<typename T>
- bool is() {
+ bool is() const {
push();
auto expected = type_of<T>();
auto actual = lua_type(state(), -1);
return (static_cast<int>(expected) == actual) || (expected == type::poly);
}
};
+
+bool operator==(const object& lhs, const nil_t&) {
+ return lhs.is<nil_t>();
+}
+
+bool operator==(const nil_t&, const object& rhs) {
+ return rhs.is<nil_t>();
+}
+
+bool operator!=(const object& lhs, const nil_t&) {
+ return !lhs.is<nil_t>();
+}
+
+bool operator!=(const nil_t&, const object& rhs) {
+ return !rhs.is<nil_t>();
+}
} // sol
#endif // SOL_OBJECT_HPP
\ No newline at end of file