method

class_variable_get

v1_8_6_287 - Show latest stable - 0 notes - Class: Module

class_variable_get(p1) public

Returns the value of the given class variable (or throws a NameError exception). The @@ part of the variable name should be included for regular class variables

   class Fred
     @@foo = 99
   end

   def Fred.foo
     class_variable_get(:@@foo)     #=> 99
   end

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/*
 *  call-seq:
 *     mod.class_variable_get(symbol)    => obj
 *  
 *  Returns the value of the given class variable (or throws a
 *  <code>NameError</code> exception). The <code>@@</code> part of the
 *  variable name should be included for regular class variables
 *     
 *     class Fred
 *       @@foo = 99
 *     end
 *
 *     def Fred.foo
 *       class_variable_get(:@@foo)     #=> 99
 *     end
 */

static VALUE
rb_mod_cvar_get(obj, iv)
    VALUE obj, iv;
{
    ID id = rb_to_id(iv);

    if (!rb_is_class_id(id)) {
        rb_name_error(id, "`%s' is not allowed as a class variable name", rb_id2name(id));
    }
    return rb_cvar_get(obj, id);
}

class_variable_get

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