Self-describing numbers: Difference between revisions

=={{header|11l}}==

{{trans|Python}}

<lang 11l>F is_self_describing(n)

V s = String(n)

R all(enumerate(Array(s)).map((i, ch) -> @s.count(String(i)) == Int(ch)))

print((0.<4000000).filter(x -> is_self_describing(x)))</lang>

{{out}}

<pre>

[1210, 2020, 21200, 3211000]

</pre>