From ff5a59ccad5a4b2168200a5e825cecad1faf0fd6 Mon Sep 17 00:00:00 2001
From: Felix Wiedemann <felix@kann.it>
Date: Tue, 19 Nov 2019 20:47:14 +0100
Subject: [PATCH] Add `impl From<()> for Value`

---
 src/value/from.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/value/from.rs b/src/value/from.rs
index d647dea..2b743d2 100644
--- a/src/value/from.rs
+++ b/src/value/from.rs
@@ -211,3 +211,19 @@ impl<T: Into<Value>> ::std::iter::FromIterator<T> for Value {
         Value::Array(iter.into_iter().map(Into::into).collect())
     }
 }
+
+impl From<()> for Value {
+    /// Convert `()` to `Value`
+    ///
+    /// # Examples
+    ///
+    /// ```edition2018
+    /// use serde_json::Value;
+    ///
+    /// let u = ();
+    /// let x: Value = u.into();
+    /// ```
+    fn from((): ()) -> Self {
+        Value::Null
+    }
+}