２つの両方の保守的な性質を満たすもの（安全でもないし再現性も取れない）

3:50 AM

にするってパターンもありえるかも？

3:51 AM

いずれかの性質が欲しい時は明示的にそのようなジェネレータを使う。

3:51 AM

はい、RndomNumberGeneratorはプロトコルだから (edited)

3:51 AM

具体的な型としてそれぞれ提供されるはず。

3:52 AM

public struct Random : RandomNumberGenerator {

3:52 AM

https://forums.swift.org/t/se-0202-amendment-naming-of-the-standard-library-random-number-generator/12155

SE-0202 Amendment: Naming of the standard library random number ge...

The accepted proposal to add Random API to the standard library defines a single random source in the standard library. Users can create their own random sources by writing types that conform to the RandomNumberGenerator protocol. For convenience...

3:52 AM

このスレッド。

3:57 AM

https://github.com/apple/swift-evolution/blob/master/proposals/0202-random-unification.md

apple/swift-evolution

swift-evolution - This maintains proposals for changes and user-visible enhancements to the Swift Programming Language.

3:57 AM

The aspiration is that this RNG should be cryptographically secure, provide reasonable performance, and should be thread safe.

3:58 AM

cryptographically secureが should be って無意味に思う・・・

3:59 AM

must be じゃないなら、「稀にsecureでない」セキュリティバグを産みうるだけ