Reference

List::Objects::WithUtils::Role::Hash::Immutable(3pm)

Immutable hash behavior

NAME

List::Objects::WithUtils::Role::Hash::Immutable - Immutable hash behavior

SYNOPSIS

  # Via List::Objects::WithUtils::Hash::Immutable ->
  use List::Objects::WithUtils 'immhash';
  my $hash = immhash( foo => 1, bar => 2 );
  $hash->set(foo => 3);  # dies

DESCRIPTION

This role adds immutable behavior to List::Objects::WithUtils::Role::Hash consumers.

The following methods are not available and will throw an exception:

  clear
  set
  maybe_set
  delete

(The backing hash is also marked read-only.)

See List::Objects::WithUtils::Hash::Immutable for a consumer implementation.

AUTHOR

Jon Portnoy <[email protected]>

History