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Re^3: Shortcut operator for $a->{'b'}=$b if $b;

by ikegami (Patriarch)
on Sep 20, 2005 at 16:32 UTC ( [id://493506]=note: print w/replies, xml ) Need Help??

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  1. or download this
    sub assign_if_defined {
   $_[0] = $_[1] if defined $_[1];
}

assign_if_defined($a->{'b'}, $b);
  2. or download this
    sub { $_[0] = $_[1] if defined $_[1]; }->($a->{'b'}, $b);

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