I don't know Haskell, but isn't flip just:
sub flip(&f) { -> $b, $a, |c { f($a, $b, |c) } }
And then:
perl6 -e 'sub flip(&f) { -> $a, $b, |c { f($b, $a, |c) } }; my &yas = flip
&say; yas(1,2,3)'
213
Aaron Sherman, M.:
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On Wed, Sep 7, 2016 at 6:13 PM, Brandon Allbery <[email protected]> wrote:
> On Wed, Sep 7, 2016 at 6:08 PM, Parrot Raiser <[email protected]> wrote:
>
>> There is a "flip" in P6, to reverse the characters in a string, and a
>> "reverse", to return the elements of a list. Would either of those be
>> an equivalent?
>>
>
> Not without an "apply" mechanism used for function / method / operator
> invocations. Which is almost viable in Perl 6 since the parameters get
> passed as a list --- except that the list is only visible within the
> implementation, not at the call site (which is what "apply" does).
>
> --
> brandon s allbery kf8nh sine nomine
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