Minor addition.HEADmain

1 files changed, 11 insertions, 0 deletions

diff --git a/rust/src/lib.rs b/rust/src/lib.rs
index a96454e..213fa39 100644
--- a/rust/src/lib.rs
+++ b/rust/src/lib.rs
@@ -243,6 +243,17 @@ impl Value {
         }
     }
 
+    pub fn as_int( &self ) -> Result<i64,Error> {
+        if let Value::Integer(i) = self {
+            Ok(*i)
+        } else {
+            Err(Error::new(
+                ErrorKind::InvalidData,
+                "as_int called on non Integer value.",
+            ))
+        }
+    }
+
     pub fn write<W: Write>(&self, w: &mut W) -> Result<(), Error> {
         match self {
             Self::Integer(x) => {