Re: RFC 23 (v1) Higher order functions

[Damian Conway]

   > Unless I'm missing something here, you're not filling in the args correctly.
   > I think you mean:
   > 
   > $check = sub (;$$$$) {
   >           @_==0 ?  __ < 2 + __ * atan($pi/__) or die __
   >         : @_==1 ?  $_[0] < 2 + __ * atan($pi/__) or die __
   >         : @_==2 ?  $_[0] < 2 + $_[1] * atan($pi/__) or die __
   >         : @_==3 ?  $_[0] < 2 + $_[1] * atan($pi/$_[2]) or die __
   >         :          $_[0] < 2 + $_[1] * atan($pi/$_[1]) or die $_[3]
   >         ;
   > };

Yup. Cut-and-paste errors. Serves me right for posting at 3am. %-)


   > > Arguments other than the last can also be bound by the explicit use of
   > > placeholders:
   > 
   > What do you mean 'other than the last'. Isn't your example showing that
   > _all_ the arguments can get bound?

Sorry, what I meant was that, you can bind trailing arguments, just by omitting
them. Non-trailing arguments have to be bound explicitly with an __.

Damian