From<value::decoder::Error> for std::io::Error

implementations/rust/src/value/decoder.rs

@@ -1,4 +1,4 @@
-use std::io::Read;
+use std::io::{Read, ErrorKind};
 use std::convert::TryInto;
 use std::convert::TryFrom;
 use crate::value::value::{Value, AValue, Set, Dictionary};
@@ -14,6 +14,16 @@ pub enum Error {
     Eof,
 }
 
+impl From<Error> for std::io::Error {
+    fn from(v: Error) -> Self {
+        match v {
+            Error::Io(e) => e,
+            Error::Syntax(msg) => Self::new(ErrorKind::InvalidData, msg),
+            Error::Eof => Self::new(ErrorKind::UnexpectedEof, "Unexpected EOF"),
+        }
+    }
+}
+
 impl From<std::io::Error> for Error {
     fn from(v: std::io::Error) -> Self {
         Error::Io(v)