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Urgau opened this issue May 9, 2024 · 2 comments · Fixed by #124939
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Private fields in aliased type should not be shown #124938

Urgau opened this issue May 9, 2024 · 2 comments · Fixed by #124939
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@Urgau
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A-rustdoc-ui Area: Rustdoc UI (generated HTML) C-bug Category: This is a bug. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.

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@Urgau
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Urgau commented May 9, 2024 •
edited by rustbot
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I tried this code:

use std::collections::BTreeMap;

pub type FooBar = BTreeMap<u32, String>;

with rustdoc and --document-private-items.

I expected to see this happen: No internal fields of the BTreeMap should be displayed as users won't be able to use the fields, making their appearance confusing and useless.

Instead, this happened: The internal fields of the BTreeMap are displayed

image

Real impact as can be seen here.

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rustdoc --version --verbose:

rustdoc 1.80.0-nightly (7d83a4c13 2024-05-06)
binary: rustdoc
commit-hash: 7d83a4c131ab9ae81a74c6fd825c827d74a2881d
commit-date: 2024-05-06
host: x86_64-unknown-linux-gnu
release: 1.80.0-nightly
LLVM version: 18.1.4
@Urgau Urgau added the C-bug Category: This is a bug. label May 9, 2024
@rustbot rustbot added the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label May 9, 2024
@Urgau Urgau changed the title Private items in aliased type should not be shown Private fields in aliased type should not be shown May 9, 2024
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Urgau commented May 9, 2024

@rustbot labels +T-rustdoc +A-rustdoc-ui -needs-triage
@rustbot claim

@rustbot rustbot added A-rustdoc-ui Area: Rustdoc UI (generated HTML) T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue. and removed needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. labels May 9, 2024
@Urgau Urgau mentioned this issue May 9, 2024
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lqd commented May 9, 2024

Dupe of #123860 and more discussion there

GuillaumeGomez added a commit to GuillaumeGomez/rust that referenced this issue May 11, 2024
@GuillaumeGomez
Rollup merge of rust-lang#124939 - Urgau:hide-private-fields-aliased-…
9aa585d 
…type, r=GuillaumeGomez

Always hide private fields in aliased type

This PR adds a new rustdoc pass that unconditionally always strips all private fields in aliased type, since showing them, even with `--document-private-items`, is confusing, unhelpful, and run backwards to the "Aliased type" feature, which is to show the type as it would be seen by the user.

r? `@GuillaumeGomez`
Fixes rust-lang#124938
Fixes rust-lang#123860
GuillaumeGomez added a commit to GuillaumeGomez/rust that referenced this issue May 11, 2024
@GuillaumeGomez
Rollup merge of rust-lang#124939 - Urgau:hide-private-fields-aliased-…
bf8d0b8 
…type, r=GuillaumeGomez

Always hide private fields in aliased type

This PR adds a new rustdoc pass that unconditionally always strips all private fields in aliased type, since showing them, even with `--document-private-items`, is confusing, unhelpful, and run backwards to the "Aliased type" feature, which is to show the type as it would be seen by the user.

r? ``@GuillaumeGomez``
Fixes rust-lang#124938
Fixes rust-lang#123860
@bors bors closed this as completed in beef360 May 12, 2024
rust-timer added a commit to rust-lang-ci/rust that referenced this issue May 12, 2024
@rust-timer
Unrolled build for rust-lang#124939
1bbddc1 
Rollup merge of rust-lang#124939 - Urgau:hide-private-fields-aliased-type, r=GuillaumeGomez

Always hide private fields in aliased type

This PR adds a new rustdoc pass that unconditionally always strips all private fields in aliased type, since showing them, even with `--document-private-items`, is confusing, unhelpful, and run backwards to the "Aliased type" feature, which is to show the type as it would be seen by the user.

r? ```@GuillaumeGomez```
Fixes rust-lang#124938
Fixes rust-lang#123860
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A-rustdoc-ui Area: Rustdoc UI (generated HTML) C-bug Category: This is a bug. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
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Always hide private fields in aliased type Urgau/rust
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