🙃

src/cell.rs

@@ -6,7 +6,8 @@ use crate::evaluator::*;
 pub struct Cell {
     eval: Eval,
     raw: String,
-    deps: HashSet<CellRef>,
+    i_dep: HashSet<CellRef>,
+    they_dep: HashSet<CellRef>,
 }
 
 impl Cell {
@@ -14,7 +15,8 @@ impl Cell {
         Self {
             eval,
             raw,
-            deps: HashSet::new(),
+            i_dep: HashSet::new(),
+            they_dep: HashSet::new(),
         }
     }
 
@@ -26,12 +28,20 @@ impl Cell {
         self.eval.clone()
     }
 
-    pub fn add_dep(&mut self, dep: CellRef) {
-        self.deps.insert(dep);
+    pub fn add_i_dep(&mut self, dep: CellRef) {
+        self.i_dep.insert(dep);
     }
 
-    pub fn clear_deps(&mut self) {
-        self.deps.clear();
+    pub fn add_they_dep(&mut self, dep: CellRef) {
+        self.they_dep.insert(dep);
+    }
+
+    pub fn clear_i_dep(&mut self) {
+        self.i_dep.clear();
+    }
+
+    pub fn clear_they_dep(&mut self) {
+        self.they_dep.clear();
     }
 
     pub fn set_eval(&mut self, eval: Eval) {

src/main.rs

@@ -5,6 +5,10 @@ mod tokenizer;
 
 use std::io;
 
+use std::{io, net::SocketAddr};
+use tokio::{net::TcpListener, runtime::Runtime};
+use websocket::server::WsServer;
+
 use crate::{cell::CellRef, evaluator::Evaluator};
 
 fn main() {
@@ -50,7 +54,7 @@ fn main() {
                     Err(e) => println!("{}", e),
                 },
                 _ => {
-                    continue; // Impossible
+                    panic!("Impossible.");
                 }
             }
         } else {
@@ -58,4 +62,10 @@ fn main() {
             continue;
         }
     }
+
+    let rt = Runtime::new().unwrap();
+    let handle = rt.handle().clone();
+    let addr = "127.0.0.1:7050";
+
+    let socket = WsServer::bind(addr, handle);
 }

src/parser.rs

@@ -91,6 +91,7 @@ impl fmt::Display for Expr {
     }
 }
 
+#[allow(dead_code)]
 impl Expr {
     pub fn pretty(&self) -> String {
         // entry point for users — root printed without └──
@@ -285,5 +286,6 @@ pub fn _parse(
         }
     }
 
+
     Ok(lhs)
 }