Numeric#zero?

() -> bool

zero? → true or false

static VALUE
num_zero_p(VALUE num)
{
    return rb_equal(num, INT2FIX(0));
}

Returns true if zero has a zero value, false otherwise.

Of the Core and Standard Library classes, only Rational and Complex use this implementation.

See also #truncate #to_int also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1 · 3.0