use Type::Params qw( wrap_subs compile_named_oo );
use Types::Standard -types;

wrap_subs function_with_positional_parameters => [ ArrayRef, Int, Int ];

sub function_with_positional_parameters {
  my ( $list, $start, $end ) = @_;

  my @slice = @{$list}[ $start .. $end ];
  return \@slice;
}

wrap_subs function_with_named_parameters =>
  compile_named_oo( list => ArrayRef, start => Int, end => Int );

sub function_with_named_parameters {
  my ( $arg ) = @_;

  my @slice = @{$arg->list}[ $arg->start .. $arg->end ];
  return \@slice;
}