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Posted to dev@tinkerpop.apache.org by "Matt Frantz (JIRA)" <ji...@apache.org> on 2015/06/09 18:42:00 UTC

[jira] [Created] (TINKERPOP3-717) assert step

Matt Frantz created TINKERPOP3-717:
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             Summary: assert step
                 Key: TINKERPOP3-717
                 URL: https://issues.apache.org/jira/browse/TINKERPOP3-717
             Project: TinkerPop 3
          Issue Type: Improvement
          Components: process
            Reporter: Matt Frantz
            Assignee: Marko A. Rodriguez


Consider a step that allows specifying a traversal that must be proven.  In conjunction with a strategy that removes such steps for "production", this would provide the "assert" capability in many languages.

{code}
GraphTraversal assert(Traversal t)
{code}

The logic would be that if {{t}} does not produce a traverser, then an assertion exception would be raised.

We probably can't call it {{assert}} because it is a reserved word in many languages.



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