Merge pull request #79 from rtic-rs/fix-syn-breakage

Fix syn breakage

Author: korken89

CHANGELOG.md

@@ -11,6 +11,12 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Fixed
 
+## [v1.0.2] - 2022-06-19
+
+### Fixed
+
+- Use of private `syn::group` module
+
 ## [v1.0.1] - 2022-04-13
 
 ### Added
@@ -135,8 +141,9 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 - Initial release
 
-[Unreleased]: https://github.com/rtic-rs/rtic-syntax/compare/v1.0.1...HEAD
-[v1.0.0]: https://github.com/rtic-rs/rtic-syntax/compare/v1.0.0...v1.0.1
+[Unreleased]: https://github.com/rtic-rs/rtic-syntax/compare/v1.0.2...HEAD
+[v1.0.2]: https://github.com/rtic-rs/rtic-syntax/compare/v1.0.1...v1.0.2
+[v1.0.1]: https://github.com/rtic-rs/rtic-syntax/compare/v1.0.0...v1.0.1
 [v1.0.0]: https://github.com/rtic-rs/rtic-syntax/compare/v0.4.0...v1.0.0
 [v0.4.0]: https://github.com/rtic-rs/rtic-syntax/compare/v0.3.4...v0.4.0
 [v0.3.4]: https://github.com/rtic-rs/rtic-syntax/compare/v0.3.3...v0.3.4

Cargo.toml

@@ -11,7 +11,7 @@ keywords = []
 license = "MIT OR Apache-2.0"
 name = "rtic-syntax"
 repository = "https://github.com/rtic-rs/rtic-syntax"
-version = "1.0.1"
+version = "1.0.2"
 
 [dependencies]
 indexmap = "1.0.2"

src/parse.rs

@@ -9,11 +9,9 @@ mod util;
 
 use proc_macro2::TokenStream as TokenStream2;
 use syn::{
-    braced,
-    group::parse_parens,
-    parenthesized,
+    braced, parenthesized,
     parse::{self, Parse, ParseStream, Parser},
-    token::Brace,
+    token::{self, Brace},
     Ident, Item, LitBool, LitInt, Path, Token,
 };
 
@@ -376,15 +374,15 @@ fn monotonic_args(path: Path, tokens: TokenStream2) -> parse::Result<MonotonicAr
         let mut priority = None;
         let mut default = None;
 
-        let content = match parse_parens(input) {
-            Ok(parens) => parens.content,
-            Err(_) => {
-                return Err(parse::Error::new(
-                    path.segments.first().unwrap().ident.span(),
-                    "expected opening ( in #[monotonic( ... )]",
-                ));
-            }
-        };
+        if !input.peek(token::Paren) {
+            return Err(parse::Error::new(
+                path.segments.first().unwrap().ident.span(),
+                "expected opening ( in #[monotonic( ... )]",
+            ));
+        }
+
+        let content;
+        parenthesized!(content in input);
 
         if !content.is_empty() {
             loop {