{ #outer scope
  $lamb = lambda ( $x, $y, $z ) => sub { $x + $y }
}

##</code><code>##

my( $x, $y, $z ) = ( 1,2,3 );
my $lamb = do{
    my( $x, $y, $z ) = ( $x, $y, $z );
    lambda ( $x, $y, $z ) => sub { $x + $y }
}