diff --git a/fx/include/fx/value.h b/fx/include/fx/value.h
new file mode 100644
index 0000000..ef81602
--- /dev/null
+++ b/fx/include/fx/value.h
@@ -0,0 +1,100 @@
+#ifndef FX_VALUE_H_
+#define FX_VALUE_H_
+
+#include <fx/object.h>
+#include <fx/type.h>
+#include <stdint.h>
+
+#define FX_VALUE_BOOL(v)                                                       \
+	((fx_value) {                                                          \
+		.v_type.t_primitive = FX_VALUE_TYPE_BOOL,                      \
+		.v_bool = (v),                                                 \
+	})
+#define FX_VALUE_INT(v)                                                        \
+	((fx_value) {                                                          \
+		.v_type.t_primitive = FX_VALUE_TYPE_INT,                       \
+		.v_int = (v),                                                  \
+	})
+#define FX_VALUE_UINT(v)                                                       \
+	((fx_value) {                                                          \
+		.v_type.t_primitive = FX_VALUE_TYPE_UINT,                      \
+		.v_uint = (v),                                                 \
+	})
+#define FX_VALUE_DOUBLE(v)                                                     \
+	((fx_value) {                                                          \
+		.v_type.t_primitive = FX_VALUE_TYPE_DOUBLE,                    \
+		.v_double = (v),                                               \
+	})
+#define FX_VALUE_CSTR(v)                                                       \
+	((fx_value) {                                                          \
+		.v_type.t_primitive = FX_VALUE_TYPE_CSTR,                      \
+		.v_cstr = (v),                                                 \
+	})
+#define FX_VALUE_POINTER(v)                                                    \
+	((fx_value) {                                                          \
+		.v_type.t_primitive = FX_VALUE_TYPE_POINTER,                   \
+		.v_pointer = (v),                                              \
+	})
+
+typedef enum fx_value_type {
+	FX_VALUE_TYPE_NONE = 0,
+	FX_VALUE_TYPE_BOOL,
+	FX_VALUE_TYPE_INT,
+	FX_VALUE_TYPE_UINT,
+	FX_VALUE_TYPE_DOUBLE,
+	FX_VALUE_TYPE_CSTR,
+	FX_VALUE_TYPE_POINTER,
+
+	/* any value greater than this represents an object fx_type */
+	__FX_VALUE_TYPE_OBJECT_BOUNDARY = 1024,
+} fx_value_type;
+
+typedef struct fx_value {
+	union {
+		fx_value_type t_primitive;
+		fx_type t_object;
+	} v_type;
+
+	union {
+		bool v_bool;
+		intptr_t v_int;
+		uintptr_t v_uint;
+		double v_double;
+		const char *v_cstr;
+		void *v_pointer;
+		fx_object *v_object;
+	};
+} fx_value;
+
+FX_API void fx_value_init(fx_value *v, fx_type type);
+FX_API void fx_value_init_primitive(fx_value *v, fx_value_type type);
+
+FX_API void fx_value_unset(fx_value *v);
+
+FX_API void fx_value_set_bool(fx_value *v, bool b);
+FX_API void fx_value_set_int(fx_value *v, intptr_t i);
+FX_API void fx_value_set_uint(fx_value *v, uintptr_t u);
+FX_API void fx_value_set_double(fx_value *v, double d);
+FX_API void fx_value_set_static_cstr(fx_value *v, const char *cstr);
+FX_API void fx_value_set_pointer(fx_value *v, void *p);
+FX_API void fx_value_set_object(fx_value *v, fx_object *obj);
+
+FX_API bool fx_value_is_bool(const fx_value *v);
+FX_API bool fx_value_is_int(const fx_value *v);
+FX_API bool fx_value_is_uint(const fx_value *v);
+FX_API bool fx_value_is_double(const fx_value *v);
+FX_API bool fx_value_is_string(const fx_value *v);
+FX_API bool fx_value_is_pointer(const fx_value *v);
+FX_API bool fx_value_is_object(const fx_value *v, fx_type type);
+
+FX_API bool fx_value_get_bool(const fx_value *v);
+FX_API intptr_t fx_value_get_int(const fx_value *v);
+FX_API uintptr_t fx_value_get_uint(const fx_value *v);
+FX_API double fx_value_get_double(const fx_value *v);
+FX_API const char *fx_value_get_cstr(const fx_value *v);
+FX_API void *fx_value_get_pointer(fx_value *v);
+FX_API const void *fx_value_get_pointer_c(const fx_value *v);
+FX_API fx_object *fx_value_get_object(fx_value *v);
+FX_API const fx_object *fx_value_get_object_c(const fx_value *v);
+
+#endif
diff --git a/fx/value.c b/fx/value.c
new file mode 100644
index 0000000..044b29d
--- /dev/null
+++ b/fx/value.c
@@ -0,0 +1,248 @@
+#include <fx/bool.h>
+#include <fx/double.h>
+#include <fx/int.h>
+#include <fx/string.h>
+#include <fx/uint.h>
+#include <fx/value.h>
+
+void fx_value_init(fx_value *v, fx_type type)
+{
+}
+
+void fx_value_init_primitive(fx_value *v, fx_value_type type)
+{
+}
+
+void fx_value_unset(fx_value *v)
+{
+}
+
+void fx_value_set_bool(fx_value *v, bool b)
+{
+}
+
+void fx_value_set_int(fx_value *v, intptr_t i)
+{
+}
+
+void fx_value_set_uint(fx_value *v, uintptr_t u)
+{
+}
+
+void fx_value_set_double(fx_value *v, double d)
+{
+}
+
+void fx_value_set_static_cstr(fx_value *v, const char *cstr)
+{
+}
+
+void fx_value_set_pointer(fx_value *v, void *p)
+{
+}
+
+void fx_value_set_object(fx_value *v, fx_object *obj)
+{
+}
+
+bool fx_value_is_bool(const fx_value *v)
+{
+	if (v->v_type.t_primitive == FX_VALUE_TYPE_BOOL) {
+		return true;
+	}
+
+	if (v->v_type.t_primitive > __FX_VALUE_TYPE_OBJECT_BOUNDARY) {
+		if (fx_type_id_compare(v->v_type.t_object, FX_TYPE_BOOL)) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+bool fx_value_is_int(const fx_value *v)
+{
+	if (v->v_type.t_primitive == FX_VALUE_TYPE_INT) {
+		return true;
+	}
+
+	if (v->v_type.t_primitive > __FX_VALUE_TYPE_OBJECT_BOUNDARY) {
+		if (fx_type_id_compare(v->v_type.t_object, FX_TYPE_INT)) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+bool fx_value_is_uint(const fx_value *v)
+{
+	if (v->v_type.t_primitive == FX_VALUE_TYPE_UINT) {
+		return true;
+	}
+
+	if (v->v_type.t_primitive > __FX_VALUE_TYPE_OBJECT_BOUNDARY) {
+		if (fx_type_id_compare(v->v_type.t_object, FX_TYPE_UINT)) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+bool fx_value_is_double(const fx_value *v)
+{
+	if (v->v_type.t_primitive == FX_VALUE_TYPE_DOUBLE) {
+		return true;
+	}
+
+	if (v->v_type.t_primitive > __FX_VALUE_TYPE_OBJECT_BOUNDARY) {
+		if (fx_type_id_compare(v->v_type.t_object, FX_TYPE_DOUBLE)) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+bool fx_value_is_string(const fx_value *v)
+{
+	if (v->v_type.t_primitive == FX_VALUE_TYPE_CSTR) {
+		return true;
+	}
+
+	if (v->v_type.t_primitive > __FX_VALUE_TYPE_OBJECT_BOUNDARY) {
+		if (fx_type_id_compare(v->v_type.t_object, FX_TYPE_STRING)) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+bool fx_value_is_pointer(const fx_value *v)
+{
+	return (v->v_type.t_primitive == FX_VALUE_TYPE_POINTER);
+}
+
+bool fx_value_is_object(const fx_value *v, fx_type type)
+{
+	if (v->v_type.t_primitive > __FX_VALUE_TYPE_OBJECT_BOUNDARY) {
+		if (fx_type_id_compare(v->v_type.t_object, type)) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+bool fx_value_get_bool(const fx_value *v)
+{
+	if (v->v_type.t_primitive == FX_VALUE_TYPE_BOOL) {
+		return v->v_bool;
+	}
+
+	if (v->v_type.t_primitive > __FX_VALUE_TYPE_OBJECT_BOUNDARY) {
+		if (fx_type_id_compare(v->v_type.t_object, FX_TYPE_BOOL)) {
+			return fx_bool_get_value(v->v_object);
+		}
+	}
+
+	return false;
+}
+
+intptr_t fx_value_get_int(const fx_value *v)
+{
+	if (v->v_type.t_primitive == FX_VALUE_TYPE_INT) {
+		return v->v_int;
+	}
+
+	if (v->v_type.t_primitive > __FX_VALUE_TYPE_OBJECT_BOUNDARY) {
+		if (fx_type_id_compare(v->v_type.t_object, FX_TYPE_INT)) {
+			return fx_int_get_value(v->v_object);
+		}
+	}
+
+	return 0;
+}
+
+uintptr_t fx_value_get_uint(const fx_value *v)
+{
+	if (v->v_type.t_primitive == FX_VALUE_TYPE_UINT) {
+		return v->v_uint;
+	}
+
+	if (v->v_type.t_primitive > __FX_VALUE_TYPE_OBJECT_BOUNDARY) {
+		if (fx_type_id_compare(v->v_type.t_object, FX_TYPE_UINT)) {
+			return fx_uint_get_value(v->v_object);
+		}
+	}
+
+	return 0;
+}
+
+double fx_value_get_double(const fx_value *v)
+{
+	if (v->v_type.t_primitive == FX_VALUE_TYPE_DOUBLE) {
+		return v->v_uint;
+	}
+
+	if (v->v_type.t_primitive > __FX_VALUE_TYPE_OBJECT_BOUNDARY) {
+		if (fx_type_id_compare(v->v_type.t_object, FX_TYPE_DOUBLE)) {
+			return fx_double_get_value(v->v_object);
+		}
+	}
+
+	return 0;
+}
+
+const char *fx_value_get_cstr(const fx_value *v)
+{
+	if (v->v_type.t_primitive == FX_VALUE_TYPE_CSTR) {
+		return v->v_cstr;
+	}
+
+	if (v->v_type.t_primitive > __FX_VALUE_TYPE_OBJECT_BOUNDARY) {
+		if (fx_type_id_compare(v->v_type.t_object, FX_TYPE_STRING)) {
+			return fx_string_get_cstr(v->v_object);
+		}
+	}
+
+	return NULL;
+}
+
+void *fx_value_get_pointer(fx_value *v)
+{
+	if (v->v_type.t_primitive == FX_VALUE_TYPE_POINTER) {
+		return v->v_pointer;
+	}
+
+	return NULL;
+}
+
+const void *fx_value_get_pointer_c(const fx_value *v)
+{
+	if (v->v_type.t_primitive == FX_VALUE_TYPE_POINTER) {
+		return v->v_pointer;
+	}
+
+	return NULL;
+}
+
+fx_object *fx_value_get_object(fx_value *v)
+{
+	if (v->v_type.t_primitive > __FX_VALUE_TYPE_OBJECT_BOUNDARY) {
+		return v->v_object;
+	}
+
+	return NULL;
+}
+
+const fx_object *fx_value_get_object_c(const fx_value *v)
+{
+	if (v->v_type.t_primitive > __FX_VALUE_TYPE_OBJECT_BOUNDARY) {
+		return v->v_object;
+	}
+
+	return NULL;
+}