The amazing template which does nothing

[Andrea Fontana via Digitalmars-d]

On Tuesday, 28 April 2015 at 10:18:49 UTC, John Colvin wrote:
> On Tuesday, 28 April 2015 at 10:18:12 UTC, John Colvin wrote:
>> On Tuesday, 28 April 2015 at 10:07:43 UTC, Andrea Fontana 
>> wrote:
>>> On Tuesday, 28 April 2015 at 09:23:53 UTC, Chris wrote:
>>>> And this has happened to me many times. The solution "Break 
>>>> the UFCS chain and use a local temporary variable" makes me 
>>>> angry, because by having to do so all the beauty of chaining 
>>>> is lost.
>>>
>>> A very slow (i guess) workaround could be:
>>>
>>> "test".toUpper.only.map!(a => "This is a " ~ a).front.writeln;
>>>
>>> vs the new one:
>>>
>>> "test".toUpper.Identity!(a => "This is a " ~ a).writeln;
>>
>> Shouldn't be slow, your just giving the optimiser some work to 
>> do*, but you're always better off with the second one.
>>
>> *Assuming a good optimiser. dmd won't work this out.
>
> s/your/you're

Trying on d.godbolt.com it seems a lot of extra-code is generated 
for the first version.

Anyway I think I'm going to rename it "apply". :)

"test".toUpper.apply!(a => "This is a " ~ a).writeln;

It sounds better.