Alternatively a one-shot for loop can be used:

for my $name ( $tree->ancestor->son->sibbling ) {
    if ( $name ... ) {
        # ...
    }
    # ...
}
[download]

Differences:

$name is scoped within the for block

$name is an alias of the original, not a copy

Anno

---

In reply to Re^2: a natural way of expressing things by Anno
in thread a natural way of expressing things by spx2

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