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instance method

Numeric#<=>

number <=> other → 0 or nil

static VALUE
num_cmp(VALUE x, VALUE y)
{
    if (x == y) return INT2FIX(0);
    return Qnil;
}

Returns zero if number equals other, otherwise returns nil.

See also #-@ #abs #+@ #abs2 also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1