From c95b000b7b57ba9a435f1e372284c74d56bb4894 Mon Sep 17 00:00:00 2001
From: Tony Garnock-Jones <tonyg@leastfixedpoint.com>
Date: Sat, 12 Oct 2019 22:51:25 +0100
Subject: [PATCH] annotations_mut, value_mut for PlainValue

---
 implementations/rust/src/value/value.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/implementations/rust/src/value/value.rs b/implementations/rust/src/value/value.rs
index f2277f0..3013d7a 100644
--- a/implementations/rust/src/value/value.rs
+++ b/implementations/rust/src/value/value.rs
@@ -629,6 +629,16 @@ impl<N: NestedValue> Ord for AnnotatedValue<N> {
 #[derive(Clone, PartialEq, Eq, Hash, PartialOrd, Ord)]
 pub struct PlainValue(AnnotatedValue<PlainValue>);
 
+impl PlainValue {
+    pub fn annotations_mut(&mut self) -> &mut Vec<Self> {
+        &mut (self.0).0
+    }
+
+    pub fn value_mut(&mut self) -> &mut Value<Self> {
+        &mut (self.0).1
+    }
+}
+
 impl NestedValue for PlainValue {
     type BoxType = Box<Self>;