Jewels and stones: Difference between revisions

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→‎{{header|Wren}}: Changed to Wren S/H
(add SETL)
m (→‎{{header|Wren}}: Changed to Wren S/H)
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=={{header|Wren}}==
{{trans|Kotlin}}
<syntaxhighlight lang="ecmascriptwren">var countJewels = Fn.new { |s, j| s.count { |c| j.contains(c) } }
 
System.print(countJewels.call("aAAbbbb", "aA"))
9,482

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