instance method

Hash#to_a

() -> ::Array[[ K, V ]]

to_a → new_array

static VALUE
rb_hash_to_a(VALUE hash)
{
    VALUE ary;

    ary = rb_ary_new_capa(RHASH_SIZE(hash));
    rb_hash_foreach(hash, to_a_i, ary);

    return ary;
}

Returns all elements of self as an array of 2-element arrays; each nested array contains a key-value pair from self:

Example

h = {foo: 0, bar: 1, baz: 2}
h.to_a # => [[:foo, 0], [:bar, 1], [:baz, 2]]

Related: see Methods for Converting.

See also #store #to_h #slice #to_hash also in 4.1 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0

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