End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

Integer#size

int.size → int

static VALUE
int_size(VALUE num)
{
    if (FIXNUM_P(num)) {
        return fix_size(num);
    }
    else if (RB_TYPE_P(num, T_BIGNUM)) {
        return rb_big_size_m(num);
    }
    return Qnil;
}

Returns the number of bytes in the machine representation of int (machine dependent).

Example

1.size               #=> 8
-1.size              #=> 8
2147483647.size      #=> 8
(256**10 - 1).size   #=> 10
(256**20 - 1).size   #=> 20
(256**40 - 1).size   #=> 40

See also #round #succ #remainder #times also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1

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