method
singleton_methods
ruby latest stable - Class:
Object
singleton_methods(p1 = v1)public
Returns an array of the names of singleton methods for obj. If the optional all parameter is true, the list will include methods in modules included in obj. Only public and protected singleton methods are returned.
module Other def three() end end class Single def Single.four() end end a = Single.new def a.one() end class << a include Other def two() end end Single.singleton_methods #=> [:four] a.singleton_methods (false) #=> [:two, :one] a.singleton_methods #=> [:two, :one, :three]
VALUE
rb_obj_singleton_methods(int argc, const VALUE *argv, VALUE obj)
{
VALUE recur, ary, klass, origin;
struct method_entry_arg me_arg;
struct rb_id_table *mtbl;
if (argc == 0) {
recur = Qtrue;
}
else {
rb_scan_args(argc, argv, "01", &recur);
}
klass = CLASS_OF(obj);
origin = RCLASS_ORIGIN(klass);
me_arg.list = st_init_numtable();
me_arg.recur = RTEST(recur);
if (klass && FL_TEST(klass, FL_SINGLETON)) {
if ((mtbl = RCLASS_M_TBL(origin)) != 0) rb_id_table_foreach(mtbl, method_entry_i, &me_arg);
klass = RCLASS_SUPER(klass);
}
if (RTEST(recur)) {
while (klass && (FL_TEST(klass, FL_SINGLETON) || RB_TYPE_P(klass, T_ICLASS))) {
if (klass != origin && (mtbl = RCLASS_M_TBL(klass)) != 0) rb_id_table_foreach(mtbl, method_entry_i, &me_arg);
klass = RCLASS_SUPER(klass);
}
}
ary = rb_ary_new();
st_foreach(me_arg.list, ins_methods_i, ary);
st_free_table(me_arg.list);
return ary;
}