> For the complete documentation index, see [llms.txt](https://trizen.gitbook.io/perl6-rosettacode/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://trizen.gitbook.io/perl6-rosettacode/programming_tasks/o/optional_parameters.md).

# Optional parameters

Using named parameters:

```perl
method sorttable(:$column = 0, :$reverse, :&ordering = &infix:<cmp>) {
    my @result = self»[$column].sort: &ordering;
    return $reverse ?? @result.reverse !! @result;
}
```

Using optional positional parameters:

```perl
method sorttable-pos($column = 0, $reverse?, &ordering = &infix:<cmp>) {
    my @result = self»[$column].sort: &ordering;
    return $reverse ?? @result.reverse !! @result;
}
```