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package Foo;
my $i;
sub get { $i }
sub set { $i = shift; }
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const subrefs = [];
let i = 0;
...
for ( const subref of subrefs ) {
   subref();
}

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List<Action> subrefs = new();
int i = 0;
...
foreach ( var subref in subrefs ) {
   subref();
}

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subrefs = []
i = 0
...

for subref in subrefs:
   subref()

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