Almost Alpha

Massive improvements across the board.

One day I'll adopt incremental commits.

examples/protocol/main.orc

@@ -0,0 +1,23 @@
+protocol animal (
+  const noise := vcall "noise"
+)
+
+type dog (
+  const new := \name. wrap name
+  impl super::animal := map::new [
+    "noise" = \dog. "${dog}: Woof!"
+  ]
+)
+
+type cat (
+  const new := wrap 0
+  impl super::animal := map::new [
+    "noise" = \_. "a cat: Mew!"
+  ]
+)
+
+const main := do {
+  list::new [dog::new "Pavlov", cat::new]
+    |> list::map (\a. println $ animal::noise a)
+    |> list::chain exit_status::success
+}