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### 2308. Clarify container destructor requirements w.r.t. `std::array`

Section: 24.2.2.1 [container.requirements.general] Status: C++14 Submitter: Jonathan Wakely Opened: 2013-09-26 Last modified: 2017-07-05

Priority: 0

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Discussion:

It has been suggested that Table 96 — "Container requirements" makes confusing requirements for the destructor of `std::array`:

"note: the destructor is applied to every element of `a`; all the memory is deallocated."

Since `std::array` obtains no memory, there is none to deallocate, arguably making it unclear what the requirement means for `std::array::~array()`.

[Issaquah 2014-02-11: Move to Immediate]

Proposed resolution:

This wording is relative to N3691.

1. Change in 24.2.2.1 [container.requirements.general], Table 96 — "Container requirements", the "Assertion/note/pre-/post-condition" for the expression "`(&a)->~X()`" as indicated:

   > note: the destructor is applied to every element of `a`; all the any memory obtained is deallocated.