Refactoring

src/rsprocess/translator.rs

@@ -0,0 +1,25 @@
+// translate and keeps track of strings
+
+use std::collections::HashMap;
+
+pub type IdType = u32;
+
+#[derive(Clone, Debug)]
+pub struct Translator {
+    strings: HashMap<String, IdType>,
+    last_id: IdType
+}
+
+impl Translator {
+    pub fn new() -> Self {
+	Translator { strings: HashMap::new(), last_id: 0 }
+    }
+
+
+}
+
+impl Translator {
+    pub fn convert<S: AsRef<str>>(&mut self, s: S) -> IdType {
+	*(self.strings.entry(s.as_ref().to_string()).or_insert({self.last_id += 1; self.last_id}))
+    }
+}