How does hash slices affect performance or memory usage?

Exploring how hash slices in Perl can impact performance and memory usage. Understanding these implications can help optimize your Perl scripts for better efficiency.

Perl, hash slices, performance, memory usage, optimization

# Example of hash slicing in Perl
my %hash = (
    apple  => 1,
    banana => 2,
    cherry => 3,
    date   => 4,
);

# Using a hash slice to retrieve values
my @fruits = @hash{'apple', 'cherry'};

print "Selected fruits: @fruits\n";  # Output: Selected fruits: 1 3

Perl hash slices performance memory usage optimization