Re: Improving IDE support for scala GSOC 2105

EDIT: Scala style guide <http://docs.scala-lang.org/style/> will be a nice 
place to start.

On Tuesday, March 17, 2015 at 1:14:05 PM UTC+5, Muhammad Mohsin Khan Niazi 
wrote:
>
> Hi everyone,
>
> I am thinking to improve IDE support for Scala by pointing out 
> improvements (inside code editor) that can help in writing better code. The 
> main idea is inspired by what Resharper does for C# or IntelliJ/Netbeans 
> does for Java 8. Take a simple example where anonymous method can be 
> replaced by lambda expression Idea IDE will point out that this method can 
> written in more concise way.
>
>
> <https://lh3.googleusercontent.com/-v-RbbYBWlTs/VQfhJO6P8kI/AAAAAAAAAUs/6CDbSihSQj4/s1600/Screenshot%2Bfrom%2B2015-03-17%2B12%3A34%3A40.png>
> Similarly resharper points out many instances where single line LINQ can 
> replace many lines of traditional code. 
>
>
> <https://lh4.googleusercontent.com/-teAUiw_w0uM/VQfhh6rtFwI/AAAAAAAAAU0/ZwIsW8LckRY/s1600/index_codeanalysis.png>
>
> (image source: www.jetbrains.com <https://www.jetbrains.com/resharper/>) 
> <https://www.google.com/search?q=resharper+9&safe=active&client=ubuntu&hs=mYo&channel=fs&biw=1252&bih=589&tbm=isch&tbs=simg:CAQSpwEJCkzce8Klxu0akgELELCMpwgaiAEKOggCEhSjCNkJmwjCCc4JpxC_1CMQPnQirHBogZIa3dZ0IwLBpFTovbfQ9uf5XHsjiUsAe8HCAA5nSnzwKSggDEhTCDNMBwwzSAdcBuQzPHcEM-wvqBxowghvXE_1d82Y0IDv6MqDzZ0slmfCd4RgfdgbES6eRAQkBCEGD9wHKcXBhGxJkBPgJSDCE0Cu0KpGmvbA>
>
> <https://lh4.googleusercontent.com/-teAUiw_w0uM/VQfhh6rtFwI/AAAAAAAAAU0/ZwIsW8LckRY/s1600/index_codeanalysis.png>
> Similarly for Scala we can replace a pattern matching solution: (Example 
> from 
> http://reactive.xploregroup.be/blog/9/Scala-tips:-Improving-the-imperfect-part-1
> )
>
> val result: Option[String] = person.contactDetails match {
>   case Some(details) => details.address match {
>     case Some(address) => address.street match {
>       case Some(street) => Some(street.capitalize)
>       case _ => None
>     }
>     case _ => None
>   }
>   case _ => None
> }
>
> with the flat map solution to get more concise code:
>
> val result = person.contactDetails.flatMap { details =>
>   details.address.flatMap { address =>
>     address.street.map { street =>
>       street.capitalize
>     }
>   }
> }
>
>
> But this is just the start we can have a look at other IDEs and think of our own ideas to 
> improve the IDE support for Scala including bug fixes. So what do you guys think of this idea?
> Is it suitable for GSOC?
>
>
>

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