David Cantrell <da...@cantrell.org.uk> writes: > Tie::Hash::Vivify is useful for detecting this: > > my $hashref = Tie::Hash::Vivify->new(sub { > confess("No auto-vivifying (did you mis-spell > something?)\n".Dumper(\...@_)) > });
What's wrong with lock_keys from Hash::Util? -- Johan