[SR-13492] Make StrideTo and StrideThrough conform to (RandomAccess)Collection

[swift-ci]

Previous ID	SR-13492
Radar	rdar://problem/68295652
Original Reporter	CTMacUser (JIRA User)
Type	Improvement

Additional Detail from JIRA

Votes	0
Component/s	Standard Library
Labels	Improvement
Assignee	None
Priority	Medium

md5: 6f660515240d7cc3dce35125895253ea

Issue Description:

These types only conform to Sequence, instead of Collection, due to SR-6474. Since that bug is now fixed, can we add the conformance now?

[typesanitizer]

@swift-ci create

[swift-ci]

Comment by Kyle Macomber (JIRA)

This will require the ability to annotate protocol conformances with availability before we can land it.

[macguru]

Is there any way to push this? With swift-testing, this would be a welcome addition, as test arguments must be collections. With this conformance, we could pass strides directly:

@Test(arguments: stride(from: 9.0, through: 24, by: 2.5))
func testWithSizes(size: Double) { … }

As of Xcode 16 beta 4 this is an error.

[stephentyrone]

This is more subtle than it seems at first, see #13022 for some discussion.