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add Module#remove_const

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This commit is contained in:
Yukihiro Matz Matsumoto
2013-02-15 10:20:55 +09:00
parent 8578cd622b
commit 37fe3d666f
3 changed files with 24 additions and 1 deletions
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src/class.c
+15
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@@ -1748,6 +1748,20 @@ mrb_mod_const_set(mrb_state *mrb, mrb_value mod)
return value;
}
mrb_value
mrb_mod_remove_const(mrb_state *mrb, mrb_value mod)
{
mrb_sym sym;
mrb_value val;
mrb_get_args(mrb, "n", &sym);
check_const_name(mrb, sym);
val = mrb_iv_remove(mrb, mod, sym);
if (mrb_undef_p(val)) {
mrb_name_error(mrb, sym, "instance variable %s not defined", mrb_sym2name(mrb, sym));
}
return val;
}
static mrb_value
mrb_mod_eqq(mrb_state *mrb, mrb_value mod)
@@ -1828,6 +1842,7 @@ mrb_init_class(mrb_state *mrb)
mrb_define_method(mrb, mod, "const_defined?", mrb_mod_const_defined, ARGS_REQ(1)); /* 15.2.2.4.20 */
mrb_define_method(mrb, mod, "const_get", mrb_mod_const_get, ARGS_REQ(1)); /* 15.2.2.4.21 */
mrb_define_method(mrb, mod, "const_set", mrb_mod_const_set, ARGS_REQ(2)); /* 15.2.2.4.23 */
mrb_define_method(mrb, mod, "remove_const", mrb_mod_remove_const, ARGS_REQ(1)); /* 15.2.2.4.40 */
mrb_define_method(mrb, mod, "define_method", mod_define_method, ARGS_REQ(1));
mrb_define_method(mrb, mod, "class_variables", mrb_mod_class_variables, ARGS_NONE()); /* 15.2.2.4.19 */