[jira] [Created] (TINKERPOP3-900) Provide by(object) which compiles to by(constant(object))

["Marko A. Rodriguez (JIRA)" <ji...@apache.org>]

Marko A. Rodriguez created TINKERPOP3-900:
---------------------------------------------

             Summary: Provide by(object) which compiles to by(constant(object))
                 Key: TINKERPOP3-900
                 URL: https://issues.apache.org/jira/browse/TINKERPOP3-900
             Project: TinkerPop 3
          Issue Type: Improvement
          Components: process
    Affects Versions: 3.0.2-incubating
            Reporter: Marko A. Rodriguez
            Assignee: Marko A. Rodriguez
             Fix For: 3.1.0-incubating


Right now, this is how you can increment a sack.

{code}
sack{a,b -> a+1}
{code}

OR, lambda free:

{code}
sack(sum).by(constant(1))
{code}

I think we should make a {{by()}}-modulator that is:

{code}
sack(sum).by(1)
{code}

That is:

{code}
by(object) -> by(constant(0)).
{code}

In fact, we have an {{AbstractLambdaTraversal}} called {{ConstantTraversal}} which will make this even faster (analogous to {{LoopTraversal}} being used instead of {{until(loops().gt(x))}}.



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