From f571b62a13aff662c9d1c17206342479f8529633 Mon Sep 17 00:00:00 2001
From: Dawer <7803845+iDawer@users.noreply.github.com>
Date: Sun, 16 May 2021 18:11:45 +0500
Subject: minor: doc comment pat_util

---
 crates/hir_ty/src/diagnostics/match_check/pat_util.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/crates/hir_ty/src/diagnostics/match_check/pat_util.rs b/crates/hir_ty/src/diagnostics/match_check/pat_util.rs
index eb0b07a52..b89b4f2bf 100644
--- a/crates/hir_ty/src/diagnostics/match_check/pat_util.rs
+++ b/crates/hir_ty/src/diagnostics/match_check/pat_util.rs
@@ -1,3 +1,7 @@
+//! Pattern untilities.
+//!
+//! Originates from `rustc_hir::pat_util`
+
 use std::iter::{Enumerate, ExactSizeIterator};
 
 pub(crate) struct EnumerateAndAdjust<I> {
-- 
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