method

remove_const

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remove_const(p1) private

Removes the definition of the given constant, returning that constant’s previous value. If that constant referred to a module, this will not change that module’s name and can lead to confusion.

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VALUE
rb_mod_remove_const(VALUE mod, VALUE name)
{
    const ID id = rb_check_id(&name);

    if (!id) {
	if (rb_is_const_name(name)) {
	    rb_name_error_str(name, "constant %"PRIsVALUE"::%"PRIsVALUE" not defined",
			      rb_class_name(mod), name);
	}
	else {
	    rb_name_error_str(name, "`%"PRIsVALUE"' is not allowed as a constant name",
			      QUOTE(name));
	}
    }
    if (!rb_is_const_id(id)) {
	rb_name_error(id, "`%"PRIsVALUE"' is not allowed as a constant name",
		      QUOTE_ID(id));
    }
    return rb_const_remove(mod, id);
}

remove_const

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