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807. tuple construction should not fail unless its element's construction fails

Section: 22.4.4.2 [tuple.cnstr] Status: CD1 Submitter: Howard Hinnant Opened: 2008-03-13 Last modified: 2016-01-28

Priority: Not Prioritized

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Discussion:

527⁽ⁱ⁾ Added a throws clause to bind constructors. I believe the same throws clause should be added to tuple except it ought to take into account move constructors as well.

Proposed resolution:

Add to 22.4.4.2 [tuple.cnstr]:

For each tuple constructor and assignment operator, an exception is thrown only if the construction or assignment of one of the types in Types throws an exception.