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Add test ensuring that struct with default field values is not constructable if the fields are not accessible.

Collect all unreachable fields in a single struct literal struct and emit a single error, instead of one error per private field.

error[E0451]: fields `beta` and `gamma` of struct `Alpha` are private
  --> $DIR/visibility.rs:18:13
   |
LL |     let _x = Alpha {
   |              ----- in this type
LL |         beta: 0,
   |         ^^^^^^^ private field
LL |         ..
   |         ^^ field `gamma` is private

…alue

```
error[E0451]: field `beta` of struct `Alpha` is private
  --> $DIR/visibility.rs:11:37
   |
LL |         let x = crate::foo::Alpha { .. };
   |                                     ^^ field `beta` is private
```
…ruct name

```
error[E0451]: field `x` of struct `S` is private
  --> $DIR/visibility.rs:24:9
   |
LL |     let a = baz::S {
   |             ------ in this type
LL |         ..
   |         ^^ field `x` is private
```
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rustbot commented Jan 18, 2025

r? @wesleywiser

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@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Jan 18, 2025
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…pression

Collect all unreachable fields in a single struct literal struct and emit a single error, instead of one error per private field.

```
error[E0451]: fields `beta` and `gamma` of struct `Alpha` are private
  --> $DIR/visibility.rs:18:13
   |
LL |     let _x = Alpha {
   |              ----- in this type
LL |         beta: 0,
   |         ^^^^^^^ private field
LL |         ..
   |         ^^ field `gamma` is private
```
@estebank estebank added the F-default_field_values `#![feature(default_field_values)]` label Jan 18, 2025
@estebank estebank changed the title Emit single privacy error for struct literal with multiple private fields and add test default_field_values privacy Emit single privacy error for struct literal with multiple private fields and add test for default_field_values privacy Jan 18, 2025
@wesleywiser
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Nice!

@bors r+ rollup

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bors commented Jan 19, 2025

📌 Commit deef3eb has been approved by wesleywiser

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 Jan 19, 2025
GuillaumeGomez added a commit to GuillaumeGomez/rust that referenced this pull request Jan 19, 2025
…iser

Emit single privacy error for struct literal with multiple private fields and add test for `default_field_values` privacy

Add test ensuring that struct with default field values is not constructable if the fields are not accessible.

Collect all unreachable fields in a single struct literal struct and emit a single error, instead of one error per private field.

```
error[E0451]: fields `beta` and `gamma` of struct `Alpha` are private
  --> $DIR/visibility.rs:18:13
   |
LL |     let _x = Alpha {
   |              ----- in this type
LL |         beta: 0,
   |         ^^^^^^^ private field
LL |         ..
   |         ^^ field `gamma` is private
```
bors added a commit to rust-lang-ci/rust that referenced this pull request Jan 19, 2025
…llaumeGomez

Rollup of 8 pull requests

Successful merges:

 - rust-lang#135310 (Always force non-trimming of path in `unreachable_patterns` lint)
 - rust-lang#135446 (further improve panic_immediate_abort by removing rtprintpanic! messages)
 - rust-lang#135491 (Remove dead rustc_allowed_through_unstable_modules for std::os::fd contents)
 - rust-lang#135542 (Add the concrete syntax for precise capturing to 1.82 release notes.)
 - rust-lang#135700 (Emit single privacy error for struct literal with multiple private fields and add test for `default_field_values` privacy)
 - rust-lang#135729 (Add debug assertions to compiler profile)
 - rust-lang#135736 (rustdoc: Fix flaky doctest test)
 - rust-lang#135738 (Replace usages of `map_or(bool, ...)` with `is_{some_and|none_or|ok_and}`)

r? `@ghost`
`@rustbot` modify labels: rollup
bors added a commit to rust-lang-ci/rust that referenced this pull request Jan 20, 2025
Rollup of 7 pull requests

Successful merges:

 - rust-lang#135542 (Add the concrete syntax for precise capturing to 1.82 release notes.)
 - rust-lang#135700 (Emit single privacy error for struct literal with multiple private fields and add test for `default_field_values` privacy)
 - rust-lang#135722 (make it possible to use ci-rustc on tarball sources)
 - rust-lang#135729 (Add debug assertions to compiler profile)
 - rust-lang#135736 (rustdoc: Fix flaky doctest test)
 - rust-lang#135738 (Replace usages of `map_or(bool, ...)` with `is_{some_and|none_or|ok_and}`)
 - rust-lang#135747 (Rename FileName::QuoteExpansion to CfgSpec)

r? `@ghost`
`@rustbot` modify labels: rollup
bors added a commit to rust-lang-ci/rust that referenced this pull request Jan 20, 2025
Rollup of 7 pull requests

Successful merges:

 - rust-lang#135542 (Add the concrete syntax for precise capturing to 1.82 release notes.)
 - rust-lang#135700 (Emit single privacy error for struct literal with multiple private fields and add test for `default_field_values` privacy)
 - rust-lang#135722 (make it possible to use ci-rustc on tarball sources)
 - rust-lang#135729 (Add debug assertions to compiler profile)
 - rust-lang#135736 (rustdoc: Fix flaky doctest test)
 - rust-lang#135738 (Replace usages of `map_or(bool, ...)` with `is_{some_and|none_or|ok_and}`)
 - rust-lang#135747 (Rename FileName::QuoteExpansion to CfgSpec)

r? `@ghost`
`@rustbot` modify labels: rollup
bors added a commit to rust-lang-ci/rust that referenced this pull request Jan 20, 2025
Rollup of 7 pull requests

Successful merges:

 - rust-lang#135542 (Add the concrete syntax for precise capturing to 1.82 release notes.)
 - rust-lang#135700 (Emit single privacy error for struct literal with multiple private fields and add test for `default_field_values` privacy)
 - rust-lang#135722 (make it possible to use ci-rustc on tarball sources)
 - rust-lang#135729 (Add debug assertions to compiler profile)
 - rust-lang#135736 (rustdoc: Fix flaky doctest test)
 - rust-lang#135738 (Replace usages of `map_or(bool, ...)` with `is_{some_and|none_or|ok_and}`)
 - rust-lang#135747 (Rename FileName::QuoteExpansion to CfgSpec)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 6db2d1a into rust-lang:master Jan 20, 2025
6 checks passed
@rustbot rustbot added this to the 1.86.0 milestone Jan 20, 2025
rust-timer added a commit to rust-lang-ci/rust that referenced this pull request Jan 20, 2025
Rollup merge of rust-lang#135700 - estebank:priv-field-dfv, r=wesleywiser

Emit single privacy error for struct literal with multiple private fields and add test for `default_field_values` privacy

Add test ensuring that struct with default field values is not constructable if the fields are not accessible.

Collect all unreachable fields in a single struct literal struct and emit a single error, instead of one error per private field.

```
error[E0451]: fields `beta` and `gamma` of struct `Alpha` are private
  --> $DIR/visibility.rs:18:13
   |
LL |     let _x = Alpha {
   |              ----- in this type
LL |         beta: 0,
   |         ^^^^^^^ private field
LL |         ..
   |         ^^ field `gamma` is private
```
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F-default_field_values `#![feature(default_field_values)]` S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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5 participants