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  1. or download this
    juerd@lanova:~$ perl -MO=Deparse -e'BEGIN { eval "sub foo () { return 
    +42; }" } print foo;'
    sub BEGIN {
    ...
    }
    print 42;
    -e syntax OK
    
  2. or download this
    *glob = sub () { value };
    
  3. or download this
    juerd@lanova:~$ perl -MO=Deparse -e'BEGIN { *foo = sub () { 42 } } pri
    +nt foo;'
    sub BEGIN {
    ...
    }
    print 42;
    -e syntax OK