Yeah that was my proposal - Essentially we can just have two styles: The entire function + parameterList + return type fits in one line or when it doesn't we wrap parameters into lines. I agree that it makes the code a more verbose, but it'll make code style more consistent.
Shivaram On Mon, Feb 10, 2014 at 2:13 PM, Aaron Davidson <ilike...@gmail.com> wrote: > Shivaram, is your recommendation to wrap the parameter list even if it fits, > but just the return type doesn't? Personally, I think the cost of moving > from a single-line parameter list to an n-ine list is pretty high, as it > takes up a lot more space. I am even in favor of allowing a parameter list > to overflow into a second line (but not a third) instead of spreading them > out, if it's a private helper method (where the parameters are probably not > as important as the implementation, unlike a public API). > > > On Mon, Feb 10, 2014 at 1:42 PM, Shivaram Venkataraman > <shiva...@eecs.berkeley.edu> wrote: >> >> For the 1st case wouldn't it be better to just wrap the parameters to >> the next line as we do in other cases ? For example >> >> def longMethodName( >> param1, >> param2, ...) : Long = { >> } >> >> Are there a lot functions which use the old format ? Can we just stick >> to the above for new functions ? >> >> Thanks >> Shivaram >> >> On Mon, Feb 10, 2014 at 11:33 AM, Reynold Xin <r...@databricks.com> wrote: >> > +1 on both >> > >> > >> > On Mon, Feb 10, 2014 at 1:34 AM, Aaron Davidson <ilike...@gmail.com> >> > wrote: >> > >> >> There are a few bits of the Scala style that are underspecified by >> >> both the Scala >> >> style guide <http://docs.scala-lang.org/style/> and our own >> >> supplemental >> >> notes< >> >> >> >> https://cwiki.apache.org/confluence/display/SPARK/Spark+Code+Style+Guide>. >> >> Often, this leads to inconsistent formatting within the codebase, so >> >> I'd >> >> like to propose some general guidelines which we can add to the wiki >> >> and >> >> use in the future: >> >> >> >> 1) Line-wrapped method return type is indented with two spaces: >> >> def longMethodName(... long param list ...) >> >> : Long = { >> >> 2 >> >> } >> >> >> >> *Justification: *I think this is the most commonly used style in Spark >> >> today. It's also similar to the "extends" style used in classes, with >> >> the >> >> same justification: it is visually distinguished from the 4-indented >> >> parameter list. >> >> >> >> 2) URLs and code examples in comments should not be line-wrapped. >> >> Here< >> >> >> >> https://github.com/apache/incubator-spark/pull/557/files#diff-c338f10f3567d4c1d7fec4bf9e2677e1L29 >> >> >is >> >> an example of the latter. >> >> >> >> *Justification*: Line-wrapping can cause confusion when trying to >> >> copy-paste a URL or command. Can additionally cause IDE issues or, >> >> avoidably, Javadoc issues. >> >> >> >> Any thoughts on these, or additional style issues not explicitly >> >> covered in >> >> either the Scala style guide or Spark wiki? >> >> > >