{
F find_the_one(haystack:Arr, needle) {
ret_from_find_the_one = Return()
echo(ret_from_find_the_one)
haystack.each(F(elt) {
elt == needle throws ret_from_find_the_one("Found it!")
})
"Not found"
}
echo([10,20].find_the_one(20))
echo([10,20].find_the_one(30))
}
# Output:
# <Return closure=<Closure find_the_one at 1.ngs:2> depth=7 val=null>
# Found it!
# <Return closure=<Closure find_the_one at 1.ngs:2> depth=7 val=null>
# Not found