Upgrade to the Rust 2024 edition (#2367)

* Update to rust 2024 edition

* Fixes

* Clean up imports

* Cargo fmt again

---------

Co-authored-by: Keavon Chambers <keavon@keavon.com>

proc-macros/Cargo.toml

@@ -2,9 +2,9 @@
 name = "graphite-proc-macros"
 publish = false
 version = "0.0.0"
-rust-version = "1.79"
+rust-version = "1.85"
 authors = ["Graphite Authors <contact@graphite.rs>"]
-edition = "2021"
+edition = "2024"
 readme = "../README.md"
 homepage = "https://graphite.rs"
 repository = "https://github.com/GraphiteEditor/Graphite"

proc-macros/src/combined_message_attrs.rs

@@ -2,8 +2,8 @@ use crate::helpers::call_site_ident;
 use proc_macro2::Ident;
 use proc_macro2::TokenStream;
 use quote::ToTokens;
-use syn::parse::{Parse, ParseStream};
 use syn::Token;
+use syn::parse::{Parse, ParseStream};
 use syn::{ItemEnum, TypePath};
 
 struct MessageArgs {

proc-macros/src/helper_structs.rs

@@ -3,7 +3,7 @@ use std::collections::HashMap;
 use syn::parse::{Parse, ParseStream};
 use syn::punctuated::Punctuated;
 use syn::token::Paren;
-use syn::{parenthesized, LitStr, Token};
+use syn::{LitStr, Token, parenthesized};
 
 pub struct IdentList {
 	pub parts: Punctuated<Ident, Token![,]>,

proc-macros/src/helpers.rs

@@ -45,7 +45,6 @@ pub fn two_segment_path(left_ident: Ident, right_ident: Ident) -> Path {
 #[cfg(test)]
 mod tests {
 	use super::*;
-
 	use quote::ToTokens;
 	use syn::spanned::Spanned;
 

proc-macros/src/lib.rs

@@ -16,7 +16,6 @@ use crate::helper_structs::AttrInnerSingleString;
 use crate::hint::derive_hint_impl;
 use crate::transitive_child::derive_transitive_child_impl;
 use crate::widget_builder::derive_widget_builder_impl;
-
 use proc_macro::TokenStream;
 
 /// Derive the `ToDiscriminant` trait and create a `<Type Name>Discriminant` enum
@@ -285,7 +284,6 @@ pub fn derive_widget_builder(input_item: TokenStream) -> TokenStream {
 #[cfg(test)]
 mod tests {
 	use super::*;
-
 	use proc_macro2::TokenStream as TokenStream2;
 
 	fn ts_assert_eq(l: TokenStream2, r: TokenStream2) {