method

values_at

Ruby latest stable (v1_8_7_72) - 0 notes - Class: Hash

1_8_6_287 (0)
1_8_7_72 (38)
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values_at(...) public

Return an array containing the values associated with the given keys. Also see Hash.select.

  h = { "cat" => "feline", "dog" => "canine", "cow" => "bovine" }
  h.values_at("cow", "cat")  #=> ["bovine", "feline"]

Show source

/*
 * call-seq:
 *   hsh.values_at(key, ...)   => array
 *
 * Return an array containing the values associated with the given keys.
 * Also see <code>Hash.select</code>.
 *
 *   h = { "cat" => "feline", "dog" => "canine", "cow" => "bovine" }
 *   h.values_at("cow", "cat")  #=> ["bovine", "feline"]
 */

VALUE
rb_hash_values_at(argc, argv, hash)
    int argc;
    VALUE *argv;
    VALUE hash;
{
    VALUE result = rb_ary_new();
    long i;

    for (i=0; i<argc; i++) {
        rb_ary_push(result, rb_hash_aref(hash, argv[i]));
    }
    return result;
}

values_at

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