End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

Numeric#rect

num.rect → array

static VALUE
numeric_rect(VALUE self)
{
    return rb_assoc_new(self, INT2FIX(0));
}

Returns an array; [num, 0].

See also #rectangular #real? #real #remainder also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.0