From 57782e0ff1e9833e121187f1c33b72bec6a8a61a Mon Sep 17 00:00:00 2001
From: Jason Newcomb <jsnewcomb@pm.me>
Date: Sat, 3 Aug 2024 00:29:23 -0400
Subject: Rewrite `non_copy_const`

---
 clippy_utils/src/ty/mod.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'clippy_utils')

diff --git a/clippy_utils/src/ty/mod.rs b/clippy_utils/src/ty/mod.rs
index 26d41cfb497..c50ad17bfad 100644
--- a/clippy_utils/src/ty/mod.rs
+++ b/clippy_utils/src/ty/mod.rs
@@ -1361,3 +1361,14 @@ pub fn is_slice_like<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool {
         || ty.is_array()
         || matches!(ty.kind(), ty::Adt(adt_def, _) if cx.tcx.is_diagnostic_item(sym::Vec, adt_def.did()))
 }
+
+/// Gets the index of a field by name.
+pub fn get_field_idx_by_name(ty: Ty<'_>, name: Symbol) -> Option<usize> {
+    match *ty.kind() {
+        ty::Adt(def, _) if def.is_union() || def.is_struct() => {
+            def.non_enum_variant().fields.iter().position(|f| f.name == name)
+        },
+        ty::Tuple(_) => name.as_str().parse::<usize>().ok(),
+        _ => None,
+    }
+}
-- 
cgit 1.4.1-3-g733a5