1 files changed, 36 insertions, 0 deletions

diff --git a/rust/src/lib.rs b/rust/src/lib.rs
index c54b694..a96454e 100644
--- a/rust/src/lib.rs
+++ b/rust/src/lib.rs
@@ -213,6 +213,36 @@ impl Value {
         matches!(self, Value::Null)
     }
 
+    pub fn get(&self, key: &str) -> Option<&Value> {
+        if let Value::Dictionary(d) = self {
+            d.get( key )
+        } else {
+            None
+        }
+    }
+
+    pub fn as_bool( &self ) -> Result<bool,Error> {
+        if let Value::Boolean(d) = self {
+            Ok(*d)
+        } else {
+            Err(Error::new(
+                ErrorKind::InvalidData,
+                "as_bool called on non boolean value.",
+            ))
+        }
+    }
+
+    pub fn as_byte_string( &self ) -> Result<&Vec<u8>,Error> {
+        if let Value::ByteString(d) = self {
+            Ok(&d)
+        } else {
+            Err(Error::new(
+                ErrorKind::InvalidData,
+                "as_byte_string called on non ByteString value.",
+            ))
+        }
+    }
+
     pub fn write<W: Write>(&self, w: &mut W) -> Result<(), Error> {
         match self {
             Self::Integer(x) => {
@@ -579,6 +609,12 @@ impl From<Vec<u8>> for Value {
     }
 }
 
+impl From<&[u8]> for Value {
+    fn from(v: &[u8]) -> Self {
+        Value::ByteString( Vec::from(v) )
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;