From 6381d0c5b753ac19f61dd06a38696d4462612d9a Mon Sep 17 00:00:00 2001
From: d4h0 <183805+d4h0@users.noreply.github.com>
Date: Sun, 16 Aug 2020 16:42:52 +0400
Subject: [PATCH] Add warning to RawValue docs regarding untagged enums

---
 src/raw.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/raw.rs b/src/raw.rs
index c373b4ded..8c1eb584c 100644
--- a/src/raw.rs
+++ b/src/raw.rs
@@ -23,6 +23,8 @@ use serde::ser::{Serialize, SerializeStruct, Serializer};
 /// `RawValue` is only available if serde\_json is built with the `"raw_value"`
 /// feature.
 ///
+/// For [technical reasons](https://github.com/serde-rs/json/issues/497), `RawValue` can't be used with untagged enums at the moment. Trying to deserialize to an untagged enum with `RawValue`, therefore, always fails with an error.
+///
 /// ```toml
 /// [dependencies]
 /// serde_json = { version = "1.0", features = ["raw_value"] }