Why is std.algorithm so complicated to use?

[bearophile]

On Monday, 9 July 2012 at 21:00:40 UTC, Timon Gehr wrote:
> On 07/09/2012 10:46 PM, bearophile wrote:
>> Jacob Carlborg:
>>
>>> import std.algorithm;
>>> import std.range;
>>>
>>> struct Foo {}
>>>
>>> auto f = Foo();
>>> auto foos = [f];
>>> auto foo = foos.map!(x => "foo");
>>> auto bar = foo.chain("bar");
>>
>> I suggest to always compile with "-wi -property".
>>
>
> Both -property and -w/-wi are broken and their only merit so 
> far is to break my builds for no reason.

So far I have not seen one case where -property gives a wrong 
message. Please show me one. It's stuff for bugzilla.


> -wi spits out about 4000 lines of false (duplicate) warnings 
> when run against my code base.

Please reduce those, maybe there is some false warning that I 
have not yet put in Bugzilla. In general -wi spits good warnings, 
with few exceptions.


> zip has assignable elements when the source ranges do.

It's shown in the Phobos docs too, but it's a little unexpected.

See also:
http://d.puremagic.com/issues/show_bug.cgi?id=8341

Bye,
bearophile