Maintenance Ruby 3.4 gets fixes, but no new features. Switch to Ruby 4.0 →
instance method
Integer#*
(::BigDecimal) -> ::BigDecimal
(::Float) -> ::Float
(::Rational) -> ::Rational
(::Complex) -> ::Complex
(::Integer) -> ::Integer
self * numeric → numeric_result
numeric.c
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VALUE
rb_int_mul(VALUE x, VALUE y)
{
if (FIXNUM_P(x)) {
return fix_mul(x, y);
}
else if (RB_BIGNUM_TYPE_P(x)) {
return rb_big_mul(x, y);
}
return rb_num_coerce_bin(x, y, '*');
}
Performs multiplication:
Example
4 * 2 # => 8 4 * -2 # => -8 -4 * 2 # => -8 4 * 2.0 # => 8.0 4 * Rational(1, 3) # => (4/3) 4 * Complex(2, 0) # => (8+0i)