Lines Matching refs:key
49 the ability to lock an individual key so it cannot be deleted and the
85 die sprintf "Hash has key '$k' which is not in the new key ".
117 lock_value (%hash, $key);
118 unlock_value(%hash, $key);
120 Locks and unlocks an individual key of a hash. The value of a locked
121 key cannot be changed.
128 my($hash, $key) = @_;
131 Internals::SvREADONLY $hash->{$key}, 1;
135 my($hash, $key) = @_;
136 Internals::SvREADONLY $hash->{$key}, 0;
162 foreach my $key (keys %$hash) {
163 lock_value(%$hash, $key);
172 foreach my $key (keys %$hash) {
173 unlock_value(%$hash, $key);