Choosechee opened a new pull request, #2256:
URL: https://github.com/apache/groovy/pull/2256
I have made some changes to `Tuple` that are related to its backing array.
One of them fixes a pretty major bug I found:
- Made `Tuple` implement `RandomAccess`.
- Currently, `Tuple`'s 'toArray()' returns its backing array. This is
_extremely_ bad, because modifying this array affects the `Tuple`, which is
supposed to be immutable. Additionally, it breaks the contract of
`Collection.toArray()`:
> The returned array will be "safe" in that no references to it are
maintained by this collection. (In other words, this method must allocate a new
array even if this collection is backed by an array). The caller is thus free
to modify the returned array.
I have made it return a copy of the array instead.
- Overrode `toArray(T[])` with an implementation that uses
`System.arraycopy`, for better performance.
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