From 77c305a4cf507b087ce9b46cb7b3b45bb7e29480 Mon Sep 17 00:00:00 2001
From: Tony Garnock-Jones <tonyg@leastfixedpoint.com>
Date: Mon, 4 Oct 2021 14:28:56 +0200
Subject: [PATCH] into_string, into_bytestring, into_symbol

---
 .../rust/preserves/src/value/repr.rs          | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/implementations/rust/preserves/src/value/repr.rs b/implementations/rust/preserves/src/value/repr.rs
index f703436..b72aa71 100644
--- a/implementations/rust/preserves/src/value/repr.rs
+++ b/implementations/rust/preserves/src/value/repr.rs
@@ -734,6 +734,14 @@ impl<N: NestedValue> Value<N> {
         }
     }
 
+    #[inline(always)]
+    pub fn into_string(self) -> Option<String> {
+        match self {
+            Value::String(s) => Some(s),
+            _ => None,
+        }
+    }
+
     #[inline(always)]
     pub fn to_string(&self) -> Result<&String, Error> {
         self.as_string().ok_or_else(|| self.expected(ExpectedKind::String))
@@ -767,6 +775,14 @@ impl<N: NestedValue> Value<N> {
         }
     }
 
+    #[inline(always)]
+    pub fn into_bytestring(self) -> Option<Vec<u8>> {
+        match self {
+            Value::ByteString(bs) => Some(bs),
+            _ => None,
+        }
+    }
+
     #[inline(always)]
     pub fn to_bytestring(&self) -> Result<&Vec<u8>, Error> {
         self.as_bytestring().ok_or_else(|| self.expected(ExpectedKind::ByteString))
@@ -800,6 +816,14 @@ impl<N: NestedValue> Value<N> {
         }
     }
 
+    #[inline(always)]
+    pub fn into_symbol(self) -> Option<String> {
+        match self {
+            Value::Symbol(s) => Some(s),
+            _ => None,
+        }
+    }
+
     #[inline(always)]
     pub fn to_symbol(&self) -> Result<&String, Error> {
         self.as_symbol().ok_or_else(|| self.expected(ExpectedKind::Symbol))