NAME

GenOO::Data::Structure::DoubleHashArray - Object for a data structure which corresponds of a 2D hash whose values are references to array

SYNOPSIS

# To initialize 
my $structure = GenOO::Data::Structure::DoubleHashArray->new();

DESCRIPTION

This class corresponds to a data structure which is a 2D hash whose primary key could be for
example the strand, its secondary key the chromosome and each value an array reference with
objects that consume the L<GenOO::Region> role.

EXAMPLES

# Add an entry to the structure
$structure->add_entry($primary_key, $secondary_key, $entry);