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groovy - when you're missing collectWithIndex method...
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| Collection.metaClass.collectWithIndex = { yield -> | |
| def collected = [] | |
| delegate.eachWithIndex { listItem, index -> | |
| collected << yield(listItem, index) | |
| } | |
| return collected | |
| } | |
| /* | |
| assert [1, 1, 1, 1, 1].collectWithIndex { it, index -> it + index } == [1, 2, 3, 4, 5] | |
| */ |
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