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instance method

Array#reverse!

() -> self

reverse! → self

static VALUE
rb_ary_reverse_bang(VALUE ary)
{
    return rb_ary_reverse(ary);
}

Reverses the order of the elements of self; returns self:

Example

a = [0, 1, 2]
a.reverse! # => [2, 1, 0]
a          # => [2, 1, 0]

See also #reverse #reverse_each #replace #rfind also in 4.0 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0