Jewels and stones: Difference between revisions
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<pre>3
0</pre>
=={{header|Vlang}}==
{{trans|Go}}
<lang vlang>fn js(stones string, jewels string) int {
mut n := 0
for b in stones.bytes() {
if jewels.index_u8(b) >= 0 {
n++
}
}
return n
}
fn main() {
println(js("aAAbbbb", "aA"))
}</lang>
{{out}}
<pre>
3
</pre>
=={{header|Wren}}==
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