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Mention that BTreeMap::new() doesn't allocate #72876

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merged 1 commit into from
Jun 24, 2020

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TrolledWoods
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I think it would be nice to mention this, so you don't have to dig through the src to look at the definition of new().

I think it would be nice to mention this, so you don't have to dig through the src to look at the definition of new().
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r? @shepmaster

(rust_highfive has picked a reviewer for you, use r? to override)

@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Jun 1, 2020
@steveklabnik
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We make this guarantee for a lot of our other collections, so I imagine this is fine, but just in case:

r? @rust-lang/libs

@@ -490,6 +490,8 @@ struct MergeIter<K, V, I: Iterator<Item = (K, V)>> {
impl<K: Ord, V> BTreeMap<K, V> {
/// Makes a new empty BTreeMap with a reasonable choice for B.
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While we're in here, I think the "with a reasonable choice for B" bit should be removed, since that implies that there's some other constructor that lets you choose a B.

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will get this change made in another pr, don't want this one stalling because of it :)

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r? @sfackler

@Elinvynia Elinvynia added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jun 10, 2020
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r? @Dylan-DPC

@bors r+ rollup

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bors commented Jun 23, 2020

📌 Commit 0c5c644 has been approved by Dylan-DPC

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jun 23, 2020
Manishearth added a commit to Manishearth/rust that referenced this pull request Jun 23, 2020
Mention that BTreeMap::new() doesn't allocate

I think it would be nice to mention this, so you don't have to dig through the src to look at the definition of new().
bors added a commit to rust-lang-ci/rust that referenced this pull request Jun 23, 2020
…arth

Rollup of 11 pull requests

Successful merges:

 - rust-lang#72780 (Enforce doc alias check)
 - rust-lang#72876 (Mention that BTreeMap::new() doesn't allocate)
 - rust-lang#73244 (Check for assignments between non-conflicting generator saved locals)
 - rust-lang#73488 (code coverage foundation for hash and num_counters)
 - rust-lang#73523 (Fix -Z unpretty=everybody_loops)
 - rust-lang#73587 (Move remaining `NodeId` APIs from `Definitions` to `Resolver`)
 - rust-lang#73601 (Point at the call span when overflow occurs during monomorphization)
 - rust-lang#73613 (The const propagator cannot trace references.)
 - rust-lang#73614 (fix `intrinsics::needs_drop` docs)
 - rust-lang#73630 (Provide context on E0308 involving fn items)
 - rust-lang#73665 (rustc: Modernize wasm checks for atomics)

Failed merges:

r? @ghost
@bors bors merged commit 317a151 into rust-lang:master Jun 24, 2020
Manishearth added a commit to Manishearth/rust that referenced this pull request Jun 24, 2020
Dylan-DPC-zz pushed a commit to Dylan-DPC-zz/rust that referenced this pull request Jun 24, 2020
Dylan-DPC-zz pushed a commit to Dylan-DPC-zz/rust that referenced this pull request Nov 24, 2020
…rk-Simulacrum

BTreeMap/BTreeSet: make public doc more consistent

Tweaks rust-lang#72876 and rust-lang#73667 and propagate them to `BTreeSet`.
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8 participants