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@ada4a ada4a commented Aug 9, 2025

I wanted to link to an introduction of the Entry API to the help message of clippy::map_entry (see rust-lang/rust-clippy#11598 for motivation), but I found the documentation on the Entry enum itself a bit short. On the other hand, {BTree,Hash}Map both have sections in their docs introducing the whole API and giving usage examples, and so I would like to link to that instead. For that, I introduce the "Entry API" section heading to both of them.

Do let me know whether you think this is the right approach.

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rustbot commented Aug 9, 2025

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@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-libs Relevant to the library team, which will review and decide on the PR/issue. labels Aug 9, 2025
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In general, this seems like a good idea.

The only issue I see that needs fixing before merging this: In HashMap, there's another section just below this that needs a heading to separate it from this new section; it starts with /// The easiest way to use HashMap with a custom key type is.

Add another ## heading with an appropriate section title right before that line, and then r=me.

@ada4a ada4a force-pushed the hash_and_btree_map-add-entry-section branch from 4737992 to 06e4365 Compare August 9, 2025 17:42
@ada4a ada4a changed the title {BTree,Hash}Map: add "Entry API" section header {BTree,Hash}Map: add "Entry API" section heading Aug 9, 2025
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ada4a commented Aug 9, 2025

thanks for a quick review!

heading

🤦 I always mix up the two terms

Added a new section to HashMap, see if you like it. I thought about calling it just "Custom Keys" for brevity, but that sounded a bit too vague imo

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Looks good to me!

@bors r+ rollup

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bors commented Aug 9, 2025

📌 Commit 06e4365 has been approved by joshtriplett

It is now in the queue for this repository.

@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 Aug 9, 2025
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🤦 I always mix up the two terms

It doesn't help that sometimes they both apply. The # thing is the heading, and that plus the contents below it are the section (making the # thing also the "section heading" since it's the heading of the section), but if you "add a heading", you can also say you're "adding a section" since creating a delimiter establishes a section. :)

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ada4a commented Aug 9, 2025

I intentionally avoided saying that I "added a section" because the section itself was already painstakingly written by someone else (whom I'm thankful to) -- I just added a name to it:)

Zalathar added a commit to Zalathar/rust that referenced this pull request Aug 10, 2025
…-section, r=joshtriplett

`{BTree,Hash}Map`: add "`Entry` API" section heading

I wanted to link to an introduction of the `Entry` API to the help message of `clippy::map_entry` (see rust-lang/rust-clippy#11598 for motivation), but I found the documentation on the `Entry` enum itself a bit short. On the other hand, `{BTree,Hash}Map` both have sections in their docs introducing the whole API and giving usage examples, and so I would like to link to that instead. For that, I introduce the "`Entry` API" section heading to both of them.

Do let me know whether you think this is the right approach.
Zalathar added a commit to Zalathar/rust that referenced this pull request Aug 10, 2025
…-section, r=joshtriplett

`{BTree,Hash}Map`: add "`Entry` API" section heading

I wanted to link to an introduction of the `Entry` API to the help message of `clippy::map_entry` (see rust-lang/rust-clippy#11598 for motivation), but I found the documentation on the `Entry` enum itself a bit short. On the other hand, `{BTree,Hash}Map` both have sections in their docs introducing the whole API and giving usage examples, and so I would like to link to that instead. For that, I introduce the "`Entry` API" section heading to both of them.

Do let me know whether you think this is the right approach.
Zalathar added a commit to Zalathar/rust that referenced this pull request Aug 10, 2025
…-section, r=joshtriplett

`{BTree,Hash}Map`: add "`Entry` API" section heading

I wanted to link to an introduction of the `Entry` API to the help message of `clippy::map_entry` (see rust-lang/rust-clippy#11598 for motivation), but I found the documentation on the `Entry` enum itself a bit short. On the other hand, `{BTree,Hash}Map` both have sections in their docs introducing the whole API and giving usage examples, and so I would like to link to that instead. For that, I introduce the "`Entry` API" section heading to both of them.

Do let me know whether you think this is the right approach.
bors added a commit that referenced this pull request Aug 10, 2025
Rollup of 19 pull requests

Successful merges:

 - #141624 (unstable-book: Add stubs for environment variables; document some of the important ones)
 - #143093 (Simplify polonius location-sensitive analysis)
 - #144402 (Stabilize loongarch32 inline asm)
 - #144403 (`tests/ui/issues/`: The Issues Strike Back [4/N])
 - #144544 (Start reporting future breakage for `ILL_FORMED_ATTRIBUTE_INPUT` in dependencies)
 - #144739 (Use new public libtest `ERROR_EXIT_CODE` constant in rustdoc)
 - #145089 (Improve error output when a command fails in bootstrap)
 - #145112 ([win][arm64ec] Partial fix for raw-dylib-link-ordinal on Arm64EC)
 - #145129 ([win][arm64ec] Add `/machine:arm64ec` when linking LLVM as Arm64EC)
 - #145130 (improve "Documentation problem" issue template.)
 - #145135 (Stabilize `duration_constructors_lite` feature)
 - #145145 (some `derive_more` refactors)
 - #145147 (rename `TraitRef::from_method` to `from_assoc`)
 - #145156 (Override custom Cargo `build-dir` in bootstrap)
 - #145160 (Change days-threshold to 28 in [behind-upstream])
 - #145162 (`{BTree,Hash}Map`: add "`Entry` API" section heading)
 - #145175 (Enable limit_rdylib_exports on Solaris)
 - #145187 (Fix an unstable feature comment that wasn't a doc comment)
 - #145191 (`suggest_borrow_generic_arg`: use the correct generic args)

r? `@ghost`
`@rustbot` modify labels: rollup
Zalathar added a commit to Zalathar/rust that referenced this pull request Aug 10, 2025
…-section, r=joshtriplett

`{BTree,Hash}Map`: add "`Entry` API" section heading

I wanted to link to an introduction of the `Entry` API to the help message of `clippy::map_entry` (see rust-lang/rust-clippy#11598 for motivation), but I found the documentation on the `Entry` enum itself a bit short. On the other hand, `{BTree,Hash}Map` both have sections in their docs introducing the whole API and giving usage examples, and so I would like to link to that instead. For that, I introduce the "`Entry` API" section heading to both of them.

Do let me know whether you think this is the right approach.
bors added a commit that referenced this pull request Aug 10, 2025
Rollup of 18 pull requests

Successful merges:

 - #141624 (unstable-book: Add stubs for environment variables; document some of the important ones)
 - #143093 (Simplify polonius location-sensitive analysis)
 - #144402 (Stabilize loongarch32 inline asm)
 - #144403 (`tests/ui/issues/`: The Issues Strike Back [4/N])
 - #144739 (Use new public libtest `ERROR_EXIT_CODE` constant in rustdoc)
 - #145089 (Improve error output when a command fails in bootstrap)
 - #145112 ([win][arm64ec] Partial fix for raw-dylib-link-ordinal on Arm64EC)
 - #145129 ([win][arm64ec] Add `/machine:arm64ec` when linking LLVM as Arm64EC)
 - #145130 (improve "Documentation problem" issue template.)
 - #145135 (Stabilize `duration_constructors_lite` feature)
 - #145145 (some `derive_more` refactors)
 - #145147 (rename `TraitRef::from_method` to `from_assoc`)
 - #145156 (Override custom Cargo `build-dir` in bootstrap)
 - #145160 (Change days-threshold to 28 in [behind-upstream])
 - #145162 (`{BTree,Hash}Map`: add "`Entry` API" section heading)
 - #145175 (Enable limit_rdylib_exports on Solaris)
 - #145187 (Fix an unstable feature comment that wasn't a doc comment)
 - #145191 (`suggest_borrow_generic_arg`: use the correct generic args)

r? `@ghost`
`@rustbot` modify labels: rollup
bors added a commit that referenced this pull request Aug 10, 2025
Rollup of 17 pull requests

Successful merges:

 - #141624 (unstable-book: Add stubs for environment variables; document some of the important ones)
 - #143093 (Simplify polonius location-sensitive analysis)
 - #144402 (Stabilize loongarch32 inline asm)
 - #144403 (`tests/ui/issues/`: The Issues Strike Back [4/N])
 - #144739 (Use new public libtest `ERROR_EXIT_CODE` constant in rustdoc)
 - #145089 (Improve error output when a command fails in bootstrap)
 - #145112 ([win][arm64ec] Partial fix for raw-dylib-link-ordinal on Arm64EC)
 - #145129 ([win][arm64ec] Add `/machine:arm64ec` when linking LLVM as Arm64EC)
 - #145130 (improve "Documentation problem" issue template.)
 - #145135 (Stabilize `duration_constructors_lite` feature)
 - #145145 (some `derive_more` refactors)
 - #145147 (rename `TraitRef::from_method` to `from_assoc`)
 - #145156 (Override custom Cargo `build-dir` in bootstrap)
 - #145160 (Change days-threshold to 28 in [behind-upstream])
 - #145162 (`{BTree,Hash}Map`: add "`Entry` API" section heading)
 - #145187 (Fix an unstable feature comment that wasn't a doc comment)
 - #145191 (`suggest_borrow_generic_arg`: use the correct generic args)

r? `@ghost`
`@rustbot` modify labels: rollup
bors added a commit that referenced this pull request Aug 10, 2025
Rollup of 17 pull requests

Successful merges:

 - #141624 (unstable-book: Add stubs for environment variables; document some of the important ones)
 - #143093 (Simplify polonius location-sensitive analysis)
 - #144402 (Stabilize loongarch32 inline asm)
 - #144403 (`tests/ui/issues/`: The Issues Strike Back [4/N])
 - #144739 (Use new public libtest `ERROR_EXIT_CODE` constant in rustdoc)
 - #145089 (Improve error output when a command fails in bootstrap)
 - #145112 ([win][arm64ec] Partial fix for raw-dylib-link-ordinal on Arm64EC)
 - #145129 ([win][arm64ec] Add `/machine:arm64ec` when linking LLVM as Arm64EC)
 - #145130 (improve "Documentation problem" issue template.)
 - #145135 (Stabilize `duration_constructors_lite` feature)
 - #145145 (some `derive_more` refactors)
 - #145147 (rename `TraitRef::from_method` to `from_assoc`)
 - #145156 (Override custom Cargo `build-dir` in bootstrap)
 - #145160 (Change days-threshold to 28 in [behind-upstream])
 - #145162 (`{BTree,Hash}Map`: add "`Entry` API" section heading)
 - #145187 (Fix an unstable feature comment that wasn't a doc comment)
 - #145191 (`suggest_borrow_generic_arg`: use the correct generic args)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 461009d into rust-lang:master Aug 10, 2025
10 checks passed
@rustbot rustbot added this to the 1.91.0 milestone Aug 10, 2025
rust-timer added a commit that referenced this pull request Aug 10, 2025
Rollup merge of #145162 - ada4a:hash_and_btree_map-add-entry-section, r=joshtriplett

`{BTree,Hash}Map`: add "`Entry` API" section heading

I wanted to link to an introduction of the `Entry` API to the help message of `clippy::map_entry` (see rust-lang/rust-clippy#11598 for motivation), but I found the documentation on the `Entry` enum itself a bit short. On the other hand, `{BTree,Hash}Map` both have sections in their docs introducing the whole API and giving usage examples, and so I would like to link to that instead. For that, I introduce the "`Entry` API" section heading to both of them.

Do let me know whether you think this is the right approach.
github-actions bot pushed a commit to model-checking/verify-rust-std that referenced this pull request Aug 13, 2025
…-section, r=joshtriplett

`{BTree,Hash}Map`: add "`Entry` API" section heading

I wanted to link to an introduction of the `Entry` API to the help message of `clippy::map_entry` (see rust-lang/rust-clippy#11598 for motivation), but I found the documentation on the `Entry` enum itself a bit short. On the other hand, `{BTree,Hash}Map` both have sections in their docs introducing the whole API and giving usage examples, and so I would like to link to that instead. For that, I introduce the "`Entry` API" section heading to both of them.

Do let me know whether you think this is the right approach.
@ada4a ada4a deleted the hash_and_btree_map-add-entry-section branch August 24, 2025 07:55
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