From 082d1b4e8cdcbc8b8140523e8c88d01155d00d37 Mon Sep 17 00:00:00 2001
From: Sam Scott <sam.scott89@gmail.com>
Date: Wed, 11 Sep 2019 18:11:06 -0400
Subject: [PATCH] Suggested doc fix

---
 tracing-core/src/field.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tracing-core/src/field.rs b/tracing-core/src/field.rs
index f07fd7d743..ede426c722 100644
--- a/tracing-core/src/field.rs
+++ b/tracing-core/src/field.rs
@@ -219,6 +219,8 @@ pub trait Value: crate::sealed::Sealed {
 }
 
 /// A `Value` which serializes as a string using `fmt::Display`.
+/// Uses `record_debug` in the `Value` implementation to
+/// avoid an unnecessary evaluation.
 #[derive(Clone)]
 pub struct DisplayValue<T: fmt::Display>(T);