does the following work as expected?

  for %hash.pairs -> $pair { # Note: No "is rw"!
    $pair.value = ...;       # Modifies %hash

Or is it necessary to declare $pair as is rw? (The snippet does not
modify $pair, but $pair.value.)


Linux, the choice of a GNU | The next statement is not true.
generation on a dual AMD   | The previous statement is true.  
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