Added FileData trait to Databases.

src/morethantext/mod.rs

@@ -12,13 +12,18 @@ use error::DBError;
 use rand::{distributions::Alphanumeric, thread_rng, Rng};
 use std::{
     collections::HashMap,
-    fmt, str,
+    fmt, slice, str,
     time::{Duration, Instant},
 };
 
 const DATA: &str = "data";
 const ENTRY: &str = "databases";
 
+trait FileData<F> {
+    fn to_bytes(&self) -> Vec<u8>;
+    fn from_bytes(data: &mut slice::Iter<u8>) -> Result<F, DBError>;
+}
+
 #[derive(Clone)]
 pub enum CacheType {
     Raw(String),