eric-milles opened a new pull request, #1756:
URL: https://github.com/apache/groovy/pull/1756
Support multi-assign for `Stream` and `Iterator`. Improve efficiency of
multi-assign for types like `Set` and `Collection` which do not support direct
indexing.
Translate "def (one,two) = rhs" into (pseudo-code):
```groovy
def iter = rhs.iterator(), first
if (iter.hasNext() && (first = iter.next()) !== rhs) {
def one = first
def two = iter.hasNext() ? iter.next() : null
} else {
def one = rhs.getAt(0)
def two = rhs.getAt(1)
}
```
https://issues.apache.org/jira/browse/GROOVY-10666
https://issues.apache.org/jira/browse/GROOVY-5744
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