> On 8 Mar 2017, at 18:09, jn...@jnthn.net via RT
> <perl6-bugs-follo...@perl.org> wrote:
>
> On Sat, 04 Mar 2017 13:40:22 -0800, c...@zoffix.com wrote:
>> On Sat, 04 Mar 2017 13:24:08 -0800, comdog wrote:
>>> This is the example from the Tap docs. I expect the output to be
>>> "Tap closed", but I get no output using 2017.01:
>>>
>>> my $s = Supplier.new;
>>> my $tap = $s.Supply.tap(
>>> -> $v { say "the value is $v" },
>>> done => { say "Supply is done" },
>>> closing => { say "Tap closed" },
>>> quit => -> $ex { say "Supply finished with error $ex" },
>>> );
>>>
>>> # later
>>> $tap.close;
>>
>>
>> I don't see `closing` param for that routine:
>> https://github.com/rakudo/rakudo/blob/b597398/src/core/Supply.pm#L77
>>
>> Unless this was missed during pre-Christmas Supplies rework, this may
>> be just a doc bug.
>
> It's a doc bug (and, yes, probably a left-behind from an earlier design). The
> correct way is using `on-close`. Example:
>
> my $t = Supply.interval(0.5).on-close({ say "bye" }).tap(&say);
> sleep 3;
> $t.close
I wonder whether these “public” functions should handle / warn about unknown
named parameters being passed.
