rustdoc: simplify some & ref erences

[matthiaskrgr]

No description provided.

[rustbot]

r? @GuillaumeGomez

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[GuillaumeGomez]

Thanks!

@bors r+ rollup

[bors]

📌 Commit fdd6af1 has been approved by GuillaumeGomez

It is now in the queue for this repository.

[bors]

⌛ Testing commit fdd6af1 with merge 41edaac...

[bors]

☀️ Test successful - checks-actions
Approved by: GuillaumeGomez
Pushing 41edaac to master...

[rust-timer]

Finished benchmarking commit (41edaac): comparison URL.

Overall result: ❌✅ regressions and improvements - no action needed

@rustbot label: -perf-regression

Instruction count

This is a highly reliable metric that was used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	0.7%	[0.7%, 0.7%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-0.8%	[-0.8%, -0.8%]	1
All ❌✅ (primary)	-	-	0

Max RSS (memory usage)

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-2.5%	[-2.6%, -2.4%]	2
All ❌✅ (primary)	-	-	0

Cycles

This benchmark run did not return any relevant results for this metric.