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https://issues.apache.org/jira/browse/GROOVY-8997?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King closed GROOVY-8997.
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> Add DGM `then` to transform nested method calls to method call chain
> --------------------------------------------------------------------
>
> Key: GROOVY-8997
> URL: https://issues.apache.org/jira/browse/GROOVY-8997
> Project: Groovy
> Issue Type: Improvement
> Reporter: Daniel Sun
> Assignee: Daniel Sun
> Priority: Major
>
> Here is a sample to transform nested method calls to method call chain:
> {code:java}
> // nested method calls
> c(
> b(
> 3,
> a()
> ),
> 2
> )
> {code}
> {code:java}
> // method call chain
> a().then {
> b(3, it)
> }. then {
> c(it, 2)
> }
> {code}
> BTW, I even want to introduce a new syntax, which was discussed in dev
> mailing list(
> http://groovy.329449.n5.nabble.com/GEP-Concatenative-Method-Calls-tt5747708.html
> ):
> {code:java}
> // the following code is equal to the above code
> // _ represents the former method call result, and |> is like a big arrow
> representing the direction of data flow
> a() |> b(3, _) |> c(_, 2)
> {code}
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