method

compact

Ruby latest stable (v2_5_5) - 0 notes - Class: Hash

1_8_6_287
1_8_7_72
1_8_7_330
1_9_1_378
1_9_2_180
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2_1_10
2_2_9
2_4_6 (0)
2_5_5 (0)
2_6_3 (0)
What's this?

compact() public

Returns a new hash with the nil values/key pairs removed

h = { a: 1, b: false, c: nil }
h.compact     #=> { a: 1, b: false }
h             #=> { a: 1, b: false, c: nil }

Show source

static VALUE
rb_hash_compact(VALUE hash)
{
    VALUE result = rb_hash_new();
    if (!RHASH_EMPTY_P(hash)) {
        rb_hash_foreach(hash, set_if_not_nil, result);
    }
    return result;
}

compact

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