Method: Object#frozen?

Defined in:

object.c

#frozen? ⇒ Boolean

Returns the freeze status of obj.

a = [ "a", "b", "c" ]
a.freeze    #=> ["a", "b", "c"]
a.frozen?   #=> true

Returns:

• (Boolean)

# File 'object.c'

/*
 *  call-seq:
 *     obj.frozen?    -> true or false
 *
 *  Returns the freeze status of <i>obj</i>.
 *
 *     a = [ "a", "b", "c" ]
 *     a.freeze    #=> ["a", "b", "c"]
 *     a.frozen?   #=> true
 */

VALUE
rb_obj_frozen_p(VALUE obj)
{
    if (OBJ_FROZEN(obj)) return Qtrue;
    if (SPECIAL_CONST_P(obj)) {
    if (!immediate_frozen_tbl) return Qfalse;
    if (st_lookup(immediate_frozen_tbl, obj, 0)) return Qtrue;
    }
    return Qfalse;
}