fix variables shadowing in variant

alib2std/src/extensions/variant.hpp

@@ -191,7 +191,7 @@ class variant_base<ST, AT, F, Ts...> : public variant_base<ST, AT, Ts...> {
 	using variant_base<ST, AT, Ts...>::variant_base;
 protected:
-	variant_base( type_id_hash_code type_id ) : variant_base<ST, AT, Ts...>::variant_base ( type_id ) { }
+	variant_base( type_id_hash_code id ) : variant_base<ST, AT, Ts...>::variant_base ( id ) { }
 public:
 	variant_base(const F& value) : variant_base<ST, AT, Ts...>::variant_base ( type_id_hash_code ( typeid(F).hash_code() ) ) { new (&this->data) F(value); }
@@ -205,7 +205,7 @@ class variant_base<ST, AT, void, Ts...> : public variant_base<ST, AT, Ts...> {
 	using variant_base<ST, AT, Ts...>::variant_base;
 protected:
-	variant_base( type_id_hash_code type_id ) : variant_base<ST, AT, Ts...>::variant_base ( type_id ) { }
+	variant_base( type_id_hash_code id ) : variant_base<ST, AT, Ts...>::variant_base ( id ) { }
 public:
 	variant_base() : variant_base<ST, AT, Ts...>::variant_base ( type_id_hash_code ( typeid(void).hash_code() ) ) { }