bors a090c8659c Auto merge of #91527 - the8472:retain-opt, r=dtolnay ... Optimize `vec::retain` performance This simply moves the loops into the inner function which leads to better results. ``` old: test vec::bench_retain_100000 ... bench: 203,828 ns/iter (+/- 2,101) test vec::bench_retain_iter_100000 ... bench: 63,324 ns/iter (+/- 12,305) test vec::bench_retain_whole_100000 ... bench: 42,989 ns/iter (+/- 291) new: test vec::bench_retain_100000 ... bench: 42,180 ns/iter (+/- 451) test vec::bench_retain_iter_100000 ... bench: 65,167 ns/iter (+/- 11,971) test vec::bench_retain_whole_100000 ... bench: 33,736 ns/iter (+/- 12,404) ``` Measured on x86_64-unknown-linux-gnu, Zen2 Fixes #91497		2021-12-16 07:58:36 +00:00
..
cow.rs	Document From impls for cow.rs	2021-05-26 14:21:44 +00:00
drain.rs	Fix zero-sized reference to deallocated memory	2021-12-11 17:10:56 +01:00
drain_filter.rs	style: applying Rust style	2020-12-29 14:03:30 +00:00
in_place_drop.rs	style: applying Rust style	2020-12-29 14:03:30 +00:00
into_iter.rs	Rollup merge of #89413 - matthewjasper:spec-marker-fix, r=nikomatsakis	2021-10-04 21:12:35 -07:00
is_zero.rs	Fix a typo	2021-05-30 00:06:27 +02:00
mod.rs	Auto merge of #91527 - the8472:retain-opt, r=dtolnay	2021-12-16 07:58:36 +00:00
partial_eq.rs	alloc: Add unstable Cfg feature no-global_oom_handling	2021-05-05 16:49:04 -04:00
set_len_on_drop.rs	refactor: moved SetLenOnDrop to set_len_on_drop	2020-12-29 14:03:30 +00:00
source_iter_marker.rs	Fix standard library for min_specialization changes	2021-09-30 21:42:41 +01:00
spec_extend.rs	Add comments around code where ordering is important due for panic-safety	2021-06-22 19:06:55 +02:00
spec_from_elem.rs	style: applying Rust style	2020-12-29 14:03:30 +00:00
spec_from_iter.rs	Update documentation of SpecFromIter to reflect the removed impls	2021-05-31 21:07:03 +02:00
spec_from_iter_nested.rs	panic early when TrustedLen indicates a length > usize::MAX	2021-03-31 23:09:28 +02:00
splice.rs	Update expressions where we can use array's IntoIterator implementation	2021-06-02 16:09:04 +06:00