Update Rust crate syn to 2.0.99 #271

Fix expression parsing edge cases: x as T <<= y (#1804), break as T (#1805), match x { _ if .. => {} } (#1807)
Fix expression printing edge cases: || -> T 'a: {} (#1806), if break x {} (#1808, #1810)

`v2.0.92`

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Fix parenthesization of jumps inside ranges (#1798)

`v2.0.91`

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Support parsing Vec<Arm> using parse_quote! (#1796, #1797)

`v2.0.90`

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Fix automatic parenthesization of subexpressions containing outer attributes, such as (#[attr] thing).field (#1785)
Fix automatic parenthesization of function calls via a struct field, such as (thing.field)() and thing.0() (#1786)

`v2.0.89`

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Fix "compiler/fallback mismatch 949" panic (https://github.com/dtolnay/proc-macro2/issues/483)

`v2.0.88`

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Improve error recovery in parse_str (#1783)

`v2.0.87`

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Add Cursor::any_group (#1777)
Add Expr::peek (#1778)
Improve syntax support for enum discriminant expressions in non-"full" mode (#1779)

`v2.0.86`

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Support peeking the end of a parse stream (#1689)
Allow parse_quote! to produce Vec<Attribute> (#1775)

`v2.0.85`

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Preserve extern static unsafety in ForeignItem::Verbatim (#1773)

`v2.0.84`

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Parse safe and explicitly unsafe extern items (#1768, https://github.com/rust-lang/rust/issues/123743, https://github.com/rust-lang/rfcs/pull/3484)
Parse self captures: impl Sized + use<Self> (#1772)

`v2.0.83`

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Documentation improvements

`v2.0.82`

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Provide Parse impls for PreciseCapture and CapturedParam (#1757, #1758)
Support parsing unsafe attributes (#1759)
Add Fold and VisitMut methods for Vec<Attribute> (#1762)

`v2.0.81`

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Add TypeParamBound::PreciseCapture to represent precise capture syntax impl Trait + use<'a, T> (#1752, #1753, #1754)

`v2.0.80`

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Add Expr::RawAddr (#1743)
Reject precise captures and ~const in inappropriate syntax positions (#1747)
Reject trait bound containing only precise capture (#1748)

`v2.0.79`

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Fix infinite loop on parsing chained ranges (#1741)
Fix panic in parsing use items containing absolute paths (#1742)

`v2.0.78`

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Fix infinite loop on chained comparison (#1739)

`v2.0.77`

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Support parsing Expr::Tuple in non-"full" mode (#1727)

`v2.0.76`

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Enforce that tail call become keyword is followed by an expression (#1725)

`v2.0.75`

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Automatically fill in missing turbofish when printing ExprPath and other paths in expression position (#1722)

`v2.0.74`

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Fix "temporary is dropped and runs the destructor for type `impl Iterator`" regression affecting certain use of Generics iterator methods (#1719)

`v2.0.73`

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Support parsing unnamed C varargs within function pointer types (#1711)
Improve synthesized error message on unexpected tokens at the end of the expected contents of a delimited group (#1713)
Support parsing unstable tail call syntax (#1714, https://github.com/rust-lang/rust/issues/112788)
Add Fields::members iterator (#1716, thanks @Fancyflame)

`v2.0.72`

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Parse use<'a, T> precise capturing bounds (#1707, thanks @compiler-errors)

`v2.0.71`

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Do not require mutable borrow in Punctuated::get() (#1706, thanks @lemunozm)

`v2.0.70`

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Improve parenthesization of closures, jumps, ranges, chained comparisons, and let (#1694, #1695, #1698, #1699, #1700)

`v2.0.69`

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Correctly parenthesize labeled loops inside a break value (#1692)
Add Punctuated::get and get_mut (#1693)

`v2.0.68`

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Improve panic location when parse_quote! parses invalid syntax (#1690, thanks @stepancheg)
More efficient peek implementation for Group and Lifetime (#1687)

`v2.0.67`

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Produce more accurate error message locations for errors located at the end of a nested group (#1679, #1680)
Support peeking LitCStr in ParseStream::peek (#1682)

`v2.0.66`

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Allow braced structs when parsing ExprLet (#1671)

`v2.0.65`

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Optimize the implementation of Fold to compile faster (#1666, #1667, #1668)

`v2.0.64`

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Support using ParseBuffer across catch_unwind (#1646)
Validate that the expression in a let-else ends in brace as required by rustc (#1648, #1649)
Legalize invalid const generic arguments by wrapping in braces (#1654, #1655)
Fix some expression precedence edge cases involving break and return in loop headers (#1656)
Always print closure bodies with a brace when the closure has an explicit return type (#1658)
Automatically insert necessary parentheses in ToTokens for Expr when required by expression precedence (#1659)
Support struct literal syntax in match guard expressions (#1662)

`v2.0.63`

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Parse and print long if-else-if chains without reliance on deep recursion to avoid overflowing stack (#1644, #1645)

`v2.0.62`

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Reject invalid unparenthesized range and comparison operator expressions (#1642, #1643)

`v2.0.61`

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Check for legal binding name in the ident of Pat::Ident (#1627)
Resolve unexpected_cfgs warning (#1635)

`v2.0.60`

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Improve how None-delimited groups are counted by peek (#1625)

`v2.0.59`

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Parse c"…" and cr"…" C-string literal syntax as Lit::CStr (#1502)

`v2.0.58`

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Support $ in custom_punctuation! macro (#1611)

`v2.0.57`

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Eliminate dependency on quote when built with default-features disabled and the "proc-macro" feature enabled (#1608, thanks @BD103)

`v2.0.56`

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Apply RUSTC_WORKSPACE_WRAPPER when deciding whether to run nightly-only tests (#1605)

`v2.0.55`

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Restore compatibility with rustc 1.56 through 1.59 (#1603)

`v2.0.54`

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Fix dead code warning in generated code when using custom_keyword! with syn's "printing" feature disabled (#1602)

`v2.0.53`

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Implement Copy, Clone, and ToTokens for syn::parse::Nothing (#1597)

`v2.0.52`

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Add an expression parser that uses match-arm's boundary rules (#1593)

`v2.0.51`

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Resolve non_local_definitions warnings in generated code under rustc 1.78-nightly

`v2.0.50`

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Fix unused_imports warnings when compiled by rustc 1.78

`v2.0.49`

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Improve error location when parsing from an empty string literal using LitStr::parse (#1590)

`v2.0.48`

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Improve error message on unexpected token after else (#1578)

`v2.0.47`

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Improve error messages related to proc_macro::LexError (#1575)

`v2.0.46`

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Update proc-macro2 to fix caching issue when using a rustc-wrapper such as sccache

`v2.0.45`

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Parse unsupported expressions in enum discriminants of DeriveInput as Expr::Verbatim in non-"full" mode, instead of error (#1513)
Support parsing PatType with parse_quote! (#1573)

`v2.0.44`

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Documentation improvements

`v2.0.43`

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Insert trailing comma if not already present when printing a 1-tuple in pattern position (#1553)

`v2.0.42`

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Documentation improvements

`v2.0.41`

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Support parsing syn::Field in parse_quote! (#1548)

`v2.0.40`

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Fix some edge cases of handling None-delimited groups in expression parser (#1539, #1541, #1542, #1543, #1544, #1545)

`v2.0.39`

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Fix parsing of return expression in match guards (#1528)
Improve error message on labeled loop as value expression for break (#1531)

`v2.0.38`

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Fix "method 'peek' has an incompatible type for trait" error when defining bool as a custom keyword (#1518, thanks @Vanille-N)

`v2.0.37`

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Work around incorrect future compatibility warning in rustc 1.74.0-nightly

`v2.0.36`

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Restore compatibility with --generate-link-to-definition documentation builds (#1514)

`v2.0.35`

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Make rust-analyzer produce preferred brackets for invocations of Token! macro (#1510, #1512)

`v2.0.34`

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Documentation improvements

`v2.0.33`

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Special handling for the (/*ERROR*/) placeholder that rustc uses for macros that fail to expand

`v2.0.32`

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Add Path::require_ident accessor (#1496, thanks @Fancyflame)

`v2.0.31`

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Parse generics and where-clause on const items (https://github.com/rust-lang/rust/issues/113521)

Fix inconsistency between full and non-full expression parse errors (#1491)

`v2.0.27`

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Documentation improvements (thanks @GuillaumeGomez)

`v2.0.26`

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Implement Spanned for QSelf (#1465)

`v2.0.25`

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Support single identifier as unbraced const generic argument (#1483)
Produce error message when LitStr::parse is used on a suffixed string literal (#1484)

`v2.0.24`

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Fix duplication of braces around const generic argument in non-full mode (#1482)

`v2.0.23`

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Preserve attributes on verbatim Item in statement position (#1476)
Support generic_const_exprs where-clauses such as where [(); { T::COUNT }]: in non-"full" mode (#1478)

`v2.0.22`

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Parse c"…" c-string literals (tracking issue: https://github.com/rust-lang/rust/issues/105723)

`v2.0.21`

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Fix value computed by LitByteStr::value in the case of a cooked byte string literal containing form feed or vertical tab characters following an escaped newline (#1474)

`v2.0.20`

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Documentation improvements

`v2.0.19`

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Improve rendering of compile errors within 2015-edition code calling a 2018+ edition proc macro (#1467, thanks @danielhenrymantilla)

`v2.0.18`

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Permit empty attr in syn::meta::parser (#1460)

`v2.0.17`

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Enable proc_macro support on wasm targets (#1459)

`v2.0.16`

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Parse builtin # syntax as Expr::Verbatim (https://github.com/rust-lang/rust/issues/110680, #1454)

`v2.0.15`

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Ensure Type::Tuple of length 1 prints as a tuple even if trailing comma is not provided in the Punctuated (#1444, thanks @Fancyflame)

`v2.0.14`

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Add Punctuated::pop_punct() (#1442, thanks @programmerjake)

`v2.0.13`

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Improve spans of Expr::Field parsed from a float Literal (#1433, #1436)

`v2.0.12`

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Refer to compile_error! by absolute path in token stream produced by syn::Error::to_compile_error (#1431, thanks @smoelius)

`v2.0.11`

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Improve error message on empty parens inside parse_nested_meta (#1428)

`v2.0.10`

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Fix visibility being parsed incorrectly on macro invocations inside of a trait

`v2.0.9`

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Disallow type items in an extern block, trait, or module from being marked default
Disallow ImplItemFn from having an omitted function body, as in impl T { fn f(&self); } — omitted function bodies are allowed by TraitItemFn, but in impl blocks this syntax is now parsed as ImplItem::Verbatim rather than ImplItem::Fn

`v2.0.8`

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Treat try keyword as 2015-edition identifier in definition of try macro (#1422)

`v2.0.7`

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Fix parsing of mut self inside of Type::BareFn

`v2.0.6`

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Improve error message on missing ';' between statements (#1419)
Keep non-brace macro invocations in trailing expr position as Expr::Macro (#1420)

`v2.0.5`

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Expose ExprMacro data structure even when features="full" is not used (#1417)

`v2.0.4`

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Improve error reporting when parsing identifiers and paths (#1415, #1416)

`v2.0.3`

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Expose ExprGroup data structure even when features="full" is not used (#1412)

`v2.0.2`

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Documentation improvements

`v2.0.1`

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Add methods on syn::Meta for reporting error on an incorrect kind of attribute (#1409)

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Update Rust crate syn to 2.0.99

d86a7c7

renovate bot force-pushed the renovate/syn-2.x branch from 68ce83e to d86a7c7 Compare March 3, 2025 11:29

renovate bot changed the title ~~Update Rust crate syn to 2.0.98~~ Update Rust crate syn to 2.0.99 Mar 3, 2025

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