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| author | Matthias Krüger <matthias.krueger@famsik.de> | 2022-06-07 01:13:46 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-06-07 01:13:46 +0200 |
| commit | c4bfd106e19d3a6a67d45a9b13059bcc75792409 (patch) | |
| tree | 661fd72d1037bdfe25424d4f6aea3e081755b566 | |
| parent | 50b00252aeb77b10db04d65dc9e12ce758def4b5 (diff) | |
| parent | 7d114c7713537af3a1f67c15a67473e6f3f5a509 (diff) | |
| download | rust-c4bfd106e19d3a6a67d45a9b13059bcc75792409.tar.gz rust-c4bfd106e19d3a6a67d45a9b13059bcc75792409.zip | |
Rollup merge of #97700 - nzrq:patch-1, r=dtolnay
Add note to documentation of HashSet::intersection The functionality of the `std::collections::HashSet::intersection(...)` method was slightly surprising to me so I wanted to take a sec to contribute to the documentation for this method. I've added a `Note:` section if that is appropriate.
| -rw-r--r-- | library/std/src/collections/hash/set.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/library/std/src/collections/hash/set.rs b/library/std/src/collections/hash/set.rs index 19428fe9a23..fa498a987d6 100644 --- a/library/std/src/collections/hash/set.rs +++ b/library/std/src/collections/hash/set.rs @@ -588,6 +588,12 @@ where /// Visits the values representing the intersection, /// i.e., the values that are both in `self` and `other`. /// + /// When an equal element is present in `self` and `other` + /// then the resulting `Intersection` may yield references to + /// one or the other. This can be relevant if `T` contains fields which + /// are not compared by its `Eq` implementation, and may hold different + /// value between the two equal copies of `T` in the two sets. + /// /// # Examples /// /// ``` |