1/2: Building Stuff (Stuff.idr)
2/2: Building Erase (Erase.idr)
Main> S Z
Main> S (S Z)
Main> S Z
Main> Error: x is not accessible in this context.

(interactive):1:15--1:16
   |
 1 | efn (\x, y => x)        -- Bad
   |               ^

Main> Error: When unifying Nat -> Nat -> Nat and (0 _ : Nat) -> Nat -> Nat.
Mismatch between: Nat -> Nat -> Nat and (0 _ : Nat) -> Nat -> Nat.

(interactive):1:5--1:9
   |
 1 | efn plus                -- Bad
   |     ^^^^

Main> Error: When unifying (1 _ : Nat) -> Nat -> Nat and (0 _ : Nat) -> Nat -> Nat.
Mismatch between: (1 _ : Nat) -> Nat -> Nat and (0 _ : Nat) -> Nat -> Nat.

(interactive):1:5--1:8
   |
 1 | efn lin                 -- Bad
   |     ^^^

Main> Error: x is not accessible in this context.

(interactive):1:20--1:21
   |
 1 | efn (\x, y => plus x y) -- Bad
   |                    ^

Main> S (S Z)
Main> S (S Z)
Main> Error: When unifying (0 _ : Nat) -> Nat -> Nat and Nat -> Nat -> Nat.
Mismatch between: (0 _ : Nat) -> Nat -> Nat and Nat -> Nat -> Nat.

(interactive):1:6--1:12
   |
 1 | okfn ignore             -- Bad
   |      ^^^^^^

Main> Bye for now!