renamed Isar/isar_output.ML to Thy/thy_output.ML;
tuned messages;
Antiquote.scan_arguments (moved from here);
moved ML context stuff to from Context to ML_Context;
structure ROOT =
struct
structure Nat =
struct
datatype nat = Zero_nat | Suc of nat;
fun plus_nat (Suc m) n = plus_nat m (Suc n)
| plus_nat Zero_nat y = y;
fun times_nat (Suc m) n = plus_nat n (times_nat m n)
| times_nat Zero_nat n = Zero_nat;
end; (*struct Nat*)
structure Codegen =
struct
fun fac n =
(case n of Nat.Zero_nat => Nat.Suc Nat.Zero_nat
| Nat.Suc m => Nat.times_nat n (fac m));
end; (*struct Codegen*)
end; (*struct ROOT*)