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instance method

Array#compact

array.compact → new_array

static VALUE
rb_ary_compact(VALUE ary)
{
    ary = rb_ary_dup(ary);
    rb_ary_compact_bang(ary);
    return ary;
}

Returns a new Array containing all non-nil elements from self:

Example

a = [nil, 0, nil, 1, nil, 2, nil]
a.compact # => [0, 1, 2]

See also #compact! #combination #collect! #concat also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1