diff --git a/src/wren/vm.cpp b/src/wren/vm.cpp
index 706b569..64ab275 100644
--- a/src/wren/vm.cpp
+++ b/src/wren/vm.cpp
@@ -4,7 +4,6 @@
 #include <wren.hpp>
 #include <cassert>
 #include <stdexcept>
-#include <vector>
 
 namespace wren {
 	namespace {
@@ -182,6 +181,30 @@ namespace wren {
 		return static_cast<int>(slot<double>(slot_num));
 	}
 
+	void VM::set (int slot_num, const std::string& value) {
+		wrenSetSlotString(m_local->wvm, slot_num, value.c_str());
+	}
+
+	void VM::set (int slot_num, const char* value) {
+		wrenSetSlotString(m_local->wvm, slot_num, value);
+	}
+
+	void VM::set (int slot_num, double value) {
+		wrenSetSlotDouble(m_local->wvm, slot_num, value);
+	}
+
+	void VM::set (int slot_num, bool value) {
+		wrenSetSlotBool(m_local->wvm, slot_num, value);
+	}
+
+	void VM::set (int slot_num, const std::vector<char>& value) {
+		wrenSetSlotBytes(m_local->wvm, slot_num, value.data(), value.size());
+	}
+
+	void VM::set (int slot_num, std::nullptr_t) {
+		wrenSetSlotNull(m_local->wvm, slot_num);
+	}
+
 	void VM::ensure_slots (int num_slots) {
 		wrenEnsureSlots(m_local->wvm, num_slots);
 	}
diff --git a/src/wren/vm.hpp b/src/wren/vm.hpp
index 52f7863..758afe8 100644
--- a/src/wren/vm.hpp
+++ b/src/wren/vm.hpp
@@ -10,6 +10,7 @@
 #if __cpp_concepts >= 201907
 #	include <concepts>
 #endif
+#include <vector>
 
 namespace wren {
 	class Configuration;
@@ -62,6 +63,12 @@ namespace wren {
 		void interpret (const std::string& module_name, const std::string& script);
 		void release (Handle& handle) noexcept;
 		template <typename T> T slot (int slot_num);
+		void set (int slot_num, const std::string& value);
+		void set (int slot_num, const char* value);
+		void set (int slot_num, double value);
+		void set (int slot_num, bool value);
+		void set (int slot_num, const std::vector<char>& value);
+		void set (int slot_num, std::nullptr_t);
 		void ensure_slots(int num_slots);
 		int slot_count();
 		void variable(const char* module, const char* name, int slot);