diff --git a/include/cubescript/cubescript/ident.hh b/include/cubescript/cubescript/ident.hh
index f3f7299..fd86614 100644
--- a/include/cubescript/cubescript/ident.hh
+++ b/include/cubescript/cubescript/ident.hh
@@ -196,6 +196,20 @@ struct LIBCUBESCRIPT_EXPORT builtin_var: ident {
      */
     void set_raw_value(state &cs, any_value val);
 
+    /** @brief Set the value of the variable.
+     *
+     * If read only, an error is raised. If `do_write` is `false`, nothing
+     * will be performed other than the read-only checking. If `trigger` is
+     * `false`, a potential variable change trigger command will not be
+     * invoked. The value is saved with save(), assuming `do_write` is `true`.
+     * After that, set_raw_value() is invoked, and then the trigger.
+     *
+     * @throw cubescript::error if read only or if the changed trigger throws.
+     */
+    void set_value(
+        state &cs, any_value val, bool do_write = true, bool trigger = true
+    );
+
 protected:
     builtin_var() = default;
 };
@@ -205,21 +219,6 @@ protected:
  * A specialization of cubescript::builtin_var for integer values.
  */
 struct LIBCUBESCRIPT_EXPORT integer_var: builtin_var {
-    /** @brief Set the value of the variable.
-     *
-     * If read only, an error is raised. If `do_write` is `false`, nothing
-     * will be performed other than the read-only checking. If `trigger` is
-     * `false`, a potential variable change trigger command will not be
-     * invoked. The value is saved with builtin_var::save(), assuming
-     * `do_write` is `true`. After that, builtin_var::set_raw_value()
-     * is invoked, and then the trigger.
-     *
-     * @throw cubescript::error if read only or if the changed trigger throws.
-     */
-    void set_value(
-        state &cs, integer_type val, bool do_write = true, bool trigger = true
-    );
-
 protected:
     integer_var() = default;
 };
@@ -229,21 +228,6 @@ protected:
  * A specialization of cubescript::builtin_var for float values.
  */
 struct LIBCUBESCRIPT_EXPORT float_var: builtin_var {
-    /** @brief Set the value of the variable.
-     *
-     * If read only, an error is raised. If `do_write` is `false`, nothing
-     * will be performed other than the read-only checking. If `trigger` is
-     * `false`, a potential variable change trigger command will not be
-     * invoked. The value is saved with builtin_var::save(), assuming
-     * `do_write` is `true`. After that, builtin_var::set_raw_value()
-     * is invoked, and then the trigger.
-     *
-     * @throw cubescript::error if read only or if the changed trigger throws.
-     */
-    void set_value(
-        state &cs, float_type val, bool do_write = true, bool trigger = true
-    );
-
 protected:
     float_var() = default;
 };
@@ -253,21 +237,6 @@ protected:
  * A specialization of cubescript::builtin_var for string values.
  */
 struct LIBCUBESCRIPT_EXPORT string_var: builtin_var {
-    /** @brief Set the value of the variable.
-     *
-     * If read only, an error is raised. If `do_write` is `false`, nothing
-     * will be performed other than the read-only checking. If `trigger` is
-     * `false`, a potential variable change trigger command will not be
-     * invoked. The value is saved with builtin_var::save(), assuming
-     * `do_write` is `true`. After that, builtin_var::set_raw_value()
-     * is invoked, and then the trigger.
-     *
-     * @throw cubescript::error if read only or if the changed trigger throws.
-     */
-    void set_value(
-        state &cs, string_ref val, bool do_write = true, bool trigger = true
-    );
-
 protected:
     string_var() = default;
 };
diff --git a/src/cs_ident.cc b/src/cs_ident.cc
index c39dd12..f88f058 100644
--- a/src/cs_ident.cc
+++ b/src/cs_ident.cc
@@ -333,8 +333,8 @@ LIBCUBESCRIPT_EXPORT void builtin_var::set_raw_value(
     static_cast<var_impl *>(p_impl)->p_storage = std::move(val);
 }
 
-LIBCUBESCRIPT_EXPORT void integer_var::set_value(
-    state &cs, integer_type val, bool do_write, bool trigger
+LIBCUBESCRIPT_EXPORT void builtin_var::set_value(
+    state &cs, any_value val, bool do_write, bool trigger
 ) {
     if (is_read_only()) {
         throw error{
@@ -346,51 +346,7 @@ LIBCUBESCRIPT_EXPORT void integer_var::set_value(
     }
     save(cs);
     auto oldv = value();
-    any_value nv;
-    nv.set_integer(val);
-    set_raw_value(cs, std::move(nv));
-    if (trigger) {
-        var_changed(state_p{cs}.ts(), this, oldv);
-    }
-}
-
-LIBCUBESCRIPT_EXPORT void float_var::set_value(
-    state &cs, float_type val, bool do_write, bool trigger
-) {
-    if (is_read_only()) {
-        throw error{
-            cs, "variable '%s' is read only", name().data()
-        };
-    }
-    if (!do_write) {
-        return;
-    }
-    save(cs);
-    auto oldv = value();
-    any_value nv;
-    nv.set_float(val);
-    set_raw_value(cs, std::move(nv));
-    if (trigger) {
-        var_changed(state_p{cs}.ts(), this, oldv);
-    }
-}
-
-LIBCUBESCRIPT_EXPORT void string_var::set_value(
-    state &cs, string_ref val, bool do_write, bool trigger
-) {
-    if (is_read_only()) {
-        throw error{
-            cs, "variable '%s' is read only", name().data()
-        };
-    }
-    if (!do_write) {
-        return;
-    }
-    save(cs);
-    auto oldv = value();
-    any_value nv;
-    nv.set_string(std::move(val));
-    set_raw_value(cs, std::move(nv));
+    set_raw_value(cs, std::move(val));
     if (trigger) {
         var_changed(state_p{cs}.ts(), this, oldv);
     }
diff --git a/src/cs_state.cc b/src/cs_state.cc
index 6e618f9..bb286c4 100644
--- a/src/cs_state.cc
+++ b/src/cs_state.cc
@@ -130,7 +130,7 @@ state::state(alloc_func func, void *data) {
             std::printf(INTEGER_FORMAT, iv.value().get_integer());
             std::printf("\n");
         } else {
-            iv.set_value(cs, args[1].get_integer());
+            iv.set_value(cs, args[1]);
         }
     });
 
@@ -148,7 +148,7 @@ state::state(alloc_func func, void *data) {
             }
             std::printf("\n");
         } else {
-            fv.set_value(cs, args[1].get_float());
+            fv.set_value(cs, args[1]);
         }
     });
 
@@ -164,7 +164,7 @@ state::state(alloc_func func, void *data) {
                 std::printf("%s = [%s]\n", sv.name().data(), val.data());
             }
         } else {
-            sv.set_value(cs, args[1].get_string(cs));
+            sv.set_value(cs, args[1]);
         }
     });
 
diff --git a/tools/repl.cc b/tools/repl.cc
index 11e0bb7..f601486 100644
--- a/tools/repl.cc
+++ b/tools/repl.cc
@@ -332,19 +332,20 @@ int main(int argc, char **argv) {
             }
             return;
         }
+        cs::any_value nv;
         if (nargs == 2) {
-            iv.set_value(css, args[1].get_integer());
+            nv = args[1];
         } else if (nargs == 3) {
-            iv.set_value(
-                css, (args[1].get_integer() << 8) |
-                (args[2].get_integer() << 16)
+            nv.set_integer(
+                (args[1].get_integer() << 8) | (args[2].get_integer() << 16)
             );
         } else {
-            iv.set_value(
-                css, args[1].get_integer() | (args[2].get_integer() << 8) |
+            nv.set_integer(
+                args[1].get_integer() | (args[2].get_integer() << 8) |
                 (args[3].get_integer() << 16)
             );
         }
+        iv.set_value(css, nv);
     });
 
     gcs.new_command("//var_changed", "$aa", [](auto &css, auto args, auto &) {