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

instance method

Array#empty?

array.empty? → true or false

static VALUE
rb_ary_empty_p(VALUE ary)
{
    return RBOOL(RARRAY_LEN(ary) == 0);
}

Returns true if the count of elements in self is zero, false otherwise.

See also #each_index #eql? #each #fetch also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.0