`this` in concise method bodies

Remi Forax forax at univ-mlv.fr
Sat Oct 13 09:05:12 UTC 2018

it the reply button too soon. 


>> De: "John Rose" <john.r.rose at oracle.com>
>> À: "Remi Forax" <forax at univ-mlv.fr>
>> Cc: "Brian Goetz" <brian.goetz at oracle.com>, "amber-spec-experts"
>> <amber-spec-experts at openjdk.java.net>
>> Envoyé: Samedi 13 Octobre 2018 07:00:09
>> Objet: Re: `this` in concise method bodies

>> On Oct 12, 2018, at 12:58 PM, Remi Forax < [ mailto:forax at univ-mlv.fr |
>> forax at univ-mlv.fr ] > wrote:

>>> 1) They are few methods that can be converted to concise methods because the
>>> implementation has to be a one liner,
>>> 2) They are very few methods that can be converted to a concise methods that
>>> that use the :: syntax because it only works if the implementation delegates to
>>> a method that uses all the parameters in the same order,
>>> 3) They are very very few methods that can be converted to a concise methods
>>> that use the :: and use 'this' explicitly as first parameter.

>>> so before descending into the rabbit hole, i think not me|someone should check
>>> how many methods can be converted to use the :: + this syntax in big corpus of
>>> Java codes.

>> This is probably true, because Java programmers have limited tools
>> for software reuse: Inheritance and explicit subroutine calls. If they
>> had the ability to connect methods directly using CMBs, the source
>> base would look different. There would be less cut-and-paste. A true
>> mechanical analysis of the applicability of CMBs to connect methods
>> would have to disregard lots of hand-crafted of method calls, and
>> unwind uses of inheritance where delegation (had it been available
>> at the time) would have been a better choice.
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