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Fork Sync: Update from parent repository#64
github-actions[bot] wants to merge 517 commits intoComunidadAylas:masterfrom
serde-rs:master

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dtolnay and others added 30 commits October 22, 2024 09:41
    warning: this argument (4 byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte)
      --> test_suite/tests/regression/issue2844.rs:18:28
       |
    18 |     pub fn serialize<S>(_: &i32, _: S) -> Result<S::Ok, S::Error>
       |                            ^^^^ help: consider passing by value instead: `i32`
       |
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
       = note: `-W clippy::trivially-copy-pass-by-ref` implied by `-W clippy::pedantic`
       = help: to override `-W clippy::pedantic` add `#[allow(clippy::trivially_copy_pass_by_ref)]`
    error[E0425]: cannot find value `__e` in this scope
      --> test_suite/tests/regression/issue2846.rs:12:19
       |
    12 | declare_in_macro!("with");
       |                   ^^^^^^ not found in this scope
    warning: field `0` is never read
      --> test_suite/tests/regression/issue2846.rs:8:45
       |
    8  |         pub struct S(#[serde(with = $with)] i32);
       |                    - field in this struct   ^^^
    ...
    12 | declare_in_macro!("with");
       | ------------------------- in this macro invocation
       |
       = help: consider removing this field
       = note: `#[warn(dead_code)]` on by default
       = note: this warning originates in the macro `declare_in_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
Hygiene for macro-generated newtype struct deserialization with `with` attr
…module

Unfortunately, blanket implementation IntoDeserializer for Deserializer is impossible
right now because this would be a breaking change. External crates may have this
such implementation (and serde_json actually have it for Value)
- Check that alias is not the same as name of other field (it still can be the name of owning field/variant)
- Check that aliases are unique, i. e. two different fields does not use the same alias
Implement `IntoDeserializer` for all `Deserializer`s in `serde::de::value` module
Add checks for conflicts for aliases
This step has been failing way more than reasonable across my various repos.

    With the provided path, there will be 1 file uploaded
    Artifact name is valid!
    Root directory input is valid!
    Attempt 1 of 5 failed with error: Request timeout: /twirp/github.actions.results.api.v1.ArtifactService/CreateArtifact. Retrying request in 3000 ms...
    Attempt 2 of 5 failed with error: Request timeout: /twirp/github.actions.results.api.v1.ArtifactService/CreateArtifact. Retrying request in 6029 ms...
    Attempt 3 of 5 failed with error: Request timeout: /twirp/github.actions.results.api.v1.ArtifactService/CreateArtifact. Retrying request in 8270 ms...
    Attempt 4 of 5 failed with error: Request timeout: /twirp/github.actions.results.api.v1.ArtifactService/CreateArtifact. Retrying request in 12577 ms...
    Error: Failed to CreateArtifact: Failed to make request after 5 attempts: Request timeout: /twirp/github.actions.results.api.v1.ArtifactService/CreateArtifact
Produce unreachable_patterns warning when deserialization names collide
Produce a separate warning for every colliding name
This reverts commit 951ca5a.
Revert the colliding aliases hard error (PRs #2562 & #2853)
    warning: this `match` expression can be replaced with `?`
       --> serde/build.rs:111:17
        |
    111 |       let rustc = match env::var_os("RUSTC") {
        |  _________________^
    112 | |         Some(rustc) => rustc,
    113 | |         None => return None,
    114 | |     };
        | |_____^ help: try instead: `env::var_os("RUSTC")?`
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
        = note: `-W clippy::question-mark` implied by `-W clippy::all`
        = help: to override `-W clippy::all` add `#[allow(clippy::question_mark)]`

    warning: this `match` expression can be replaced with `?`
       --> serde/build.rs:131:16
        |
    131 |       let next = match pieces.next() {
        |  ________________^
    132 | |         Some(next) => next,
    133 | |         None => return None,
    134 | |     };
        | |_____^ help: try instead: `pieces.next()?`
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
dtolnay and others added 30 commits September 28, 2025 11:34
Remove some ? from generated code
refactor: remove 1 level of nesting
    warning: this could be rewritten as `let...else`
        --> serde_derive/src/internals/attr.rs:1460:5
         |
    1460 | /     let string = match get_lit_str(cx, attr_name, meta)? {
    1461 | |         Some(string) => string,
    1462 | |         None => return Ok(None),
    1463 | |     };
         | |______^ help: consider writing: `let Some(string) = get_lit_str(cx, attr_name, meta)? else { return Ok(None) };`
         |
         = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_let_else
         = note: `-W clippy::manual-let-else` implied by `-W clippy::pedantic`
         = help: to override `-W clippy::pedantic` add `#[allow(clippy::manual_let_else)]`

    warning: this could be rewritten as `let...else`
        --> serde_derive/src/internals/attr.rs:1482:5
         |
    1482 | /     let string = match get_lit_str(cx, attr_name, meta)? {
    1483 | |         Some(string) => string,
    1484 | |         None => return Ok(None),
    1485 | |     };
         | |______^ help: consider writing: `let Some(string) = get_lit_str(cx, attr_name, meta)? else { return Ok(None) };`
         |
         = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_let_else

    warning: this could be rewritten as `let...else`
        --> serde_derive/src/internals/attr.rs:1505:5
         |
    1505 | /     let string = match get_lit_str2(cx, attr_name, meta_item_name, meta)? {
    1506 | |         Some(string) => string,
    1507 | |         None => return Ok(Vec::new()),
    1508 | |     };
         | |______^ help: consider writing: `let Some(string) = get_lit_str2(cx, attr_name, meta_item_name, meta)? else { return Ok(Vec::new()) };`
         |
         = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_let_else

    warning: this could be rewritten as `let...else`
        --> serde_derive/src/internals/attr.rs:1526:5
         |
    1526 | /     let string = match get_lit_str(cx, attr_name, meta)? {
    1527 | |         Some(string) => string,
    1528 | |         None => return Ok(None),
    1529 | |     };
         | |______^ help: consider writing: `let Some(string) = get_lit_str(cx, attr_name, meta)? else { return Ok(None) };`
         |
         = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_let_else

    warning: this could be rewritten as `let...else`
        --> serde_derive/src/internals/attr.rs:1549:5
         |
    1549 | /     let string = match get_lit_str(cx, BORROW, meta)? {
    1550 | |         Some(string) => string,
    1551 | |         None => return Ok(BTreeSet::new()),
    1552 | |     };
         | |______^ help: consider writing: `let Some(string) = get_lit_str(cx, BORROW, meta)? else { return Ok(BTreeSet::new()) };`
         |
         = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_let_else

    warning: this could be rewritten as `let...else`
        --> serde_derive/src/internals/attr.rs:1621:5
         |
    1621 | /     let seg = match path.segments.last() {
    1622 | |         Some(seg) => seg,
    1623 | |         None => {
    1624 | |             return false;
    1625 | |         }
    1626 | |     };
         | |______^
         |
         = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_let_else
    help: consider writing
         |
    1621 ~     let Some(seg) = path.segments.last() else {
    1622 +             return false;
    1623 +         };
         |

    warning: this could be rewritten as `let...else`
        --> serde_derive/src/internals/attr.rs:1648:5
         |
    1648 | /     let seg = match path.segments.last() {
    1649 | |         Some(seg) => seg,
    1650 | |         None => {
    1651 | |             return false;
    1652 | |         }
    1653 | |     };
         | |______^
         |
         = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_let_else
    help: consider writing
         |
    1648 ~     let Some(seg) = path.segments.last() else {
    1649 +             return false;
    1650 +         };
         |

    warning: this could be rewritten as `let...else`
      --> serde_derive/src/internals/ctxt.rs:49:9
       |
    49 | /         let mut combined = match errors.next() {
    50 | |             Some(first) => first,
    51 | |             None => return Ok(()),
    52 | |         };
       | |__________^ help: consider writing: `let Some(mut combined) = errors.next() else { return Ok(()) };`
       |
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_let_else

    warning: this could be rewritten as `let...else`
      --> serde_derive/src/de.rs:29:5
       |
    29 | /     let cont = match Container::from_ast(&ctxt, input, Derive::Deserialize, &private...
    30 | |         Some(cont) => cont,
    31 | |         None => return Err(ctxt.check().unwrap_err()),
    32 | |     };
       | |______^ help: consider writing: `let Some(cont) = Container::from_ast(&ctxt, input, Derive::Deserialize, &private.ident()) else { return Err(ctxt.check().unwrap_err()) };`
       |
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_let_else

    warning: this could be rewritten as `let...else`
      --> serde_derive/src/ser.rs:16:5
       |
    16 | /     let cont = match Container::from_ast(&ctxt, input, Derive::Serialize, &private.i...
    17 | |         Some(cont) => cont,
    18 | |         None => return Err(ctxt.check().unwrap_err()),
    19 | |     };
       | |______^ help: consider writing: `let Some(cont) = Container::from_ast(&ctxt, input, Derive::Serialize, &private.ident()) else { return Err(ctxt.check().unwrap_err()) };`
       |
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_let_else
    warning: lint `clippy::empty_enum` has been renamed to `clippy::empty_enums`
       --> serde/src/lib.rs:122:5
        |
    122 |     clippy::empty_enum,
        |     ^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::empty_enums`
        |
        = note: `#[warn(renamed_and_removed_lints)]` on by default

    warning: lint `clippy::empty_enum` has been renamed to `clippy::empty_enums`
      --> serde_core/src/lib.rs:57:5
       |
    57 |     clippy::empty_enum,
       |     ^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::empty_enums`
       |
       = note: `#[warn(renamed_and_removed_lints)]` on by default

    warning: lint `clippy::empty_enum` has been renamed to `clippy::empty_enums`
     --> test_suite/tests/test_de.rs:5:5
      |
    5 |     clippy::empty_enum,
      |     ^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::empty_enums`
      |
      = note: `#[warn(renamed_and_removed_lints)]` on by default

    warning: lint `clippy::empty_enum` has been renamed to `clippy::empty_enums`
     --> test_suite/tests/test_de_error.rs:3:5
      |
    3 |     clippy::empty_enum,
      |     ^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::empty_enums`
      |
      = note: `#[warn(renamed_and_removed_lints)]` on by default
Signed-off-by: xibeiyoumian <xibeiyoumian@outlook.com>
chore: improve code comments clarity
…ilter_map

serde_derive: rewrite .iter().filter_map() with less llvm-lines
…ound_llvml

serde_derive: rewrite with_bound without filter/chain/vec allocation
    warning: consider adding a `;` to the last statement for consistent formatting
       --> serde_derive/src/pretend.rs:124:17
        |
    124 |                 patterns.push(quote!(#type_ident::#variant_ident { #(#members: #placeholders),* }))
        |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: add a `;` here: `patterns.push(quote!(#type_ident::#variant_ident { #(#members: #placeholders),* }));`
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#semicolon_if_nothing_returned
        = note: `-W clippy::semicolon-if-nothing-returned` implied by `-W clippy::pedantic`
        = help: to override `-W clippy::pedantic` add `#[allow(clippy::semicolon_if_nothing_returned)]`
typo: tokenenizable to tokenizable
…er_enumerate

serde_derive: rewrite fields_from_ast with less llvm-lines
serde_derive: reduce llvm-lines in ser.rs, reuse fn field_i
    warning: redundant closure
       --> serde_derive/src/ser.rs:461:65
        |
    461 |                 let field_names = (0..variant.fields.len()).map(|i| field_i(i));
        |                                                                 ^^^^^^^^^^^^^^ help: replace the closure with the function itself: `field_i`
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
        = note: `-W clippy::redundant-closure` implied by `-W clippy::all`
        = help: to override `-W clippy::all` add `#[allow(clippy::redundant_closure)]`
    warning: feature `never_type` is declared but not used
       --> serde/src/lib.rs:108:43
        |
    108 | #![cfg_attr(feature = "unstable", feature(never_type))]
        |                                           ^^^^^^^^^^
        |
        = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
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