As per the following issue: https://issues.apache.org/jira/browse/GROOVY-8882
I'm planning to change the inferred type for the loop variable to be a bit smarter and more consistent. Current behavior: // code inferred type with CS without CS for (s in 'abc') Character String for (String s in 'abc') Character String for (Character c in 'abc') Character Character Planned behavior: // code inferred type with CS without CS for (s in 'abc') String String for (String s in 'abc') String String for (Character c in 'abc') Character Character The same change automatically applies to the ':' variant of the for loop. This also makes the for loop closer to the internal iterators, e.g. each. (We have an existing gap between dynamic/@CompileStatic when the closure arg is explicitly made a character. I think that can be looked at as a separate issue.) Further details: https://github.com/apache/groovy/pull/827 Cheers, Paul.
