I don't know if this should be implemented. But at the same time, isn't it just a matter of using an arg alias?
On 2016-01-05 05:29:15, elizabeth wrote: > > On 05 Jan 2016, at 02:49, Alex Jakimenko (via RT) <perl6-bugs- > > follo...@perl.org> wrote: > > > > # New Ticket Created by Alex Jakimenko > > # Please include the string: [perl #127162] > > # in the subject line of all future correspondence about this issue. > > # <URL: https://rt.perl.org/Ticket/Display.html?id=127162 > > > > > > > “year” is allowed everywhere: > > > > Code: > > say DateTime.new(year => -50).later(year => 50); > > > > Result > > 0000-01-01T00:00:00 > > > > > > “years” is allowed in .later: > > > > Code: > > say DateTime.new(year => -50).later(years => 50); > > > > Result > > 0000-01-01T00:00:00 > > > > > > Yet this is not allowed: > > > > Code: > > say DateTime.new(years => -50).later(years => 50); > > > > Result > > Cannot make a DateTime object using .new > > in block <unit> at -e line 1 > > > > Actually thrown at: > > in any at gen/moar/m-Metamodel.nqp line 3041 > > in block <unit> at -e line 1 > > > > > > > > <flussence> why does .later allow "year" and "years", but > > DateTime.new > > doesn't? > > > > Indeed, not TIMTOWTDI-ish enough. > > Also, if there is a final decision that it should not be allowed, > > then at > > least the error message should not be LTA. > > Alas, MMD doesn’t really make this easy. I actually started > implementing this, but it will make things a *lot* slower. I’m not > sure it warrants the effort. > > Now with regards to the LTAness of the error, I’ve committed > 75c6b9e84ad74bcd5d5 which now shows: > > $ 6 'say DateTime.new(years => -50).later(years => 50)' > Cannot call DateTime.new with these named parameters: years > > Which makes this ticket closable, as far as I’m concerned. > > > Liz