Github user FlorianHockmann commented on a diff in the pull request:

    https://github.com/apache/tinkerpop/pull/792#discussion_r167843703
  
    --- Diff: docs/src/reference/gremlin-variants.asciidoc ---
    @@ -436,6 +438,22 @@ NOTE: Many of the TraversalStrategy classes in 
Gremlin.Net are proxies to the re
     JVM-based Gremlin traversal machine. As such, their `Apply(ITraversal)` 
method does nothing. However, the strategy is
     encoded in the Gremlin.Net bytecode and transmitted to the Gremlin 
traversal machine for re-construction machine-side.
     
    +=== The Lambda Solution
    +
    +Supporting link:https://en.wikipedia.org/wiki/Anonymous_function[anonymous 
functions] across languages is difficult as
    +most languages do not support lambda introspection and thus, code 
analysis. While Gremlin.Net doesn't support C# lambdas, it
    +is still able to represent lambdas in other languages. When the lambda is 
represented in `Bytecode` its language is encoded
    +such that the remote connection host can infer which translator and 
ultimate execution engine to use.
    +
    +[source,csharp]
    +----
    
+g.V().Out().Map<int>(Lambda.Groovy("it.get().value('name').length()")).Sum<int>().ToList();
      <1>
    --- End diff --
    
    I don't think that we need curly brackets here. It also looks like this for 
Gremlin-Python in the docs: `map(lambda: ("it.get().value('name').length()", 
"gremlin-groovy"))`


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