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https://issues.apache.org/jira/browse/GROOVY-7662?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vladimír Oraný closed GROOVY-7662.
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Resolution: Duplicate
the solution proposed in GROOVY-7632 looks like a better solution
> @BindsTo annotation for checking map parameters
> -----------------------------------------------
>
> Key: GROOVY-7662
> URL: https://issues.apache.org/jira/browse/GROOVY-7662
> Project: Groovy
> Issue Type: Wish
> Components: Static Type Checker
> Reporter: Vladimír Oraný
>
> Maybe there is something similar already there but I can remember seeing
> something like this:
> Currently only way how to create type-safe DSL is to use method calls with
> normal arguments and a closure with @DelegatesTo.
> I would be great to have annotation similar to @DelegatesTo accepting a
> single class parameter which will be applied to the Map argument of the
> method and static type checker will check that there are appropriate setters
> in the class for the given arguments of the methods.
> As second step, it will be great if we'll be able to incorporate this into
> most popular IDEs (or at least IntelliJ) for content assist while you're
> entering these arguments.
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