[jira] [Created] (GROOVY-10666) Implement multiple-assignment (aka destructuring) via getAt(IntRange) when supported

["Eric Milles (Jira)" <ji...@apache.org>]

Eric Milles created GROOVY-10666:
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             Summary: Implement multiple-assignment (aka destructuring) via getAt(IntRange) when supported
                 Key: GROOVY-10666
                 URL: https://issues.apache.org/jira/browse/GROOVY-10666
             Project: Groovy
          Issue Type: Improvement
            Reporter: Eric Milles


Currently multiple-assignment is implemented using {{getAt(int)}}.  For types that support {{getAt(IntRange)}} it may be more efficient to use that operation.  For cases where {{getAt(int)}} is a terminal operation (aka streams) it may be the only way to go.

Consider the following:
{code:groovy}
Set<String> set = ['foo','bar','baz']
def (foo, bar, baz) = set // inefficient; requires 3 iterators and 6 calls to next

Stream<String> = ['foo','bar','baz'].stream()
def (foo, bar, baz) = stream // not possible because `getAt(int)` is terminal
{code}



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