Issue 404 in groovypptest: Invalid slice type inference

[groovy...@googlecode.com]

Status: New
Owner: ----
Labels: Type-Defect Priority-Medium

New issue 404 by gromop...@gmail.com: Invalid slice type inference
http://code.google.com/p/groovypptest/issues/detail?id=404

List<String> foos = ['aa','bb','cc']
def bars = foos[0..1]
println bars[0].substring(1)

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doesn't compile. Says Cannot find method Object.substring(int)