refactor: Use itertools to simplify code

Cargo.lock

@@ -29,6 +29,12 @@ version = "1.0.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8975ffdaa0ef3661bfe02dbdcc06c9f829dfafe6a3c474de366a8d5e44276921"
 
+[[package]]
+name = "either"
+version = "1.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
+
 [[package]]
 name = "encode_unicode"
 version = "1.0.0"
@@ -74,6 +80,15 @@ dependencies = [
  "similar",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b192c782037fadd9cfa75548310488aabdbf3d2da73885b31bd0abd03351285"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.15"
@@ -100,6 +115,7 @@ name = "lua_typed_macro"
 version = "0.1.0"
 dependencies = [
  "convert_case",
+ "itertools",
  "proc-macro2",
  "quote",
  "syn",

lua_typed_macro/Cargo.toml

@@ -11,3 +11,4 @@ proc-macro2 = "1.0.101"
 quote = "1.0.40"
 syn = { version = "2.0.106", features = ["extra-traits"] }
 convert_case = "0.8.0"
+itertools = "0.14.0"

lua_typed_macro/src/lib.rs

@@ -3,6 +3,7 @@
 use std::ops::Deref;
 
 use convert_case::{Case, Casing};
+use itertools::Itertools;
 use proc_macro2::TokenStream as TokenStream2;
 use quote::{ToTokens, quote};
 use syn::{DataEnum, DataStruct, DeriveInput, LitStr, Token, parse_macro_input, spanned::Spanned};
@@ -244,24 +245,15 @@ impl ExtTaggedEnum {
                     fields,
                 })
             })
-            .partition(|variant| variant.is_ok());
+            .partition_result();
 
-        if let Some(err) = err
-            .into_iter()
-            .map(|err| err.expect_err("Should only contain err results"))
-            .reduce(|mut acc, err| {
-                acc.combine(err);
-                acc
-            })
-        {
+        if let Some(err) = err.into_iter().reduce(|mut acc, err| {
+            acc.combine(err);
+            acc
+        }) {
             return Err(err);
         }
 
-        let variants = variants
-            .into_iter()
-            .map(|variant| variant.expect("Should only contain ok results"))
-            .collect();
-
         Ok(Self { tag, variants })
     }
 }