[TinkerPop3] Gremlin Console -- void method and null singletons.

[Marko Rodriguez]

Hello,

Over the years, I've seen lots of people complain about the return of "null" for void methods. For instance:

gremlin> aVoidMethod()

==>null

gremlin> null

==>null

gremlin> [1,2,null,4]

==>1

==>2

==>null

==>4

I was thinking that we could change the behavior of the Gremlin Console such that a single null is:

gremlin> aVoidMethod()

gremlin> null

gremlin> [1,2,null,4]

==>1

==>2

==>null

==>4

There are mixed feelings from the developers so I thought we could ask the community. The strongest case for keeping "==>null" is from Daniel Kuppitz who realized that it looks like a compilation error -- multi-line queries return "empty" like that. Perhaps we can figure out a way to have multi-line statements do…..?:

gremlin> g.V.

         outE.

         values('weight')

instead of the current:

gremlin> g.V.

gremlin> outE.

gremlin> values('weight')

Thoughts?,

Marko. 

http://markorodriguez.com

[Derek Williams]

Upvote for multiline idea, but could be a pain to implement

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Derek Williams
Cell: 970.214.8928