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### 2352. Is a default-constructed `std::seed_seq` intended to produce a predictable `.generate()`?

Section: 28.5.8.1 [rand.util.seedseq] Status: NAD Submitter: Thomas Plum Opened: 2013-12-02 Last modified: 2018-01-22

Priority: 2

View all other issues in [rand.util.seedseq].

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Discussion:

With respect to class `seed_seq` 28.5.8.1 [rand.util.seedseq], is a default-constructed `std::seed_seq` intended to produce a predictable `.generate()` sequence?

Implementations differ.

[2014-02-10]

Priority set to 2

[2022-08-24 Status changed: New → NAD.]

Discussed in LWG telecon. The default constructor effects are clear. Implementations agree.

Proposed resolution: