Fix critical list evaluation bug and REPL updates

README.md

@@ -19,31 +19,21 @@ tricu is the word for "tree" in Lojban: `(x1) is a tree of species/cultivar (x2)
 ## What does it look like?
 
 ```
--- Anything after `--` on a single line is a comment
--- We can define functions or "variables" as Tree Calculus values
-false = t 
-_ = t
-true = t t
--- We can define functions as lambda expressions that are eliminated to Tree
--- Calculus terms.
-id = (\a : a) -- `id` evaluates to the TC form of: t (t (t t)) t
-triage = (\a b c : t (t a b) c)
--- Intensionality! We can inspect program structure, not just inputs/outputs:
-test = triage "Leaf" (\_ : "Stem") (\_ _ : "Fork")
+tricu < -- Anything after `--` on a single line is a comment
+tricu < id = (\a : a) -- Lambda abstraction is eliminated to tree calculus terms
+tricu < head (map (\i : lconcat i " world!") [("Hello, ")])
+tricu > "Hello,  world!"
+tricu < id (head (map (\i : lconcat i " world!") [("Hello, ")]))
+tricu > "Hello,  world!"
 
--- REPL
--- `tricu <` is the input prompt
--- `tricu >` is the Tree Calculus form output. Most are elided below.
--- `READ -:` is an attempt to interpret the TC output as strings/numbers.
-tricu < test t
-tricu > Fork (Fork Leaf (Fork ...) ... ) 
-READ -: "Leaf"
-tricu < test (t t)
-READ -: "Stem"
-tricu < test (t t t)
-READ -: "Fork"
-tricu < map (\i : listConcat i " is super cool!") [("Tree Calculus") ("Intensionality") ("tricu")]
-READ -: ["Tree Calculus is super cool!", "Intensionality is super cool!", "tricu is super cool!"]
+tricu < -- Intensionality! We can inspect the structure of a function.
+tricu < triage = (\a b c : t (t a b) c)
+tricu < test = triage "Leaf" (\z : "Stem") (\a b : "Fork")
+tricu < test t t
+tricu > "Stem"
+tricu < -- We can even write a function to convert a function to source code
+tricu < toTString id
+tricu > "t (t (t t)) t"
 ```
 
 ## Installation and Use