add target language evaluators for the value command;
drop obsolete command eval_term
(* Title: Code_Test_OCaml.thy
Author: Andreas Lochbihler, ETH Zurich
Test case for test_code on OCaml
*)
theory Code_Test_OCaml imports Code_Test begin
test_code "14 + 7 * -12 = (140 div -2 :: integer)" in OCaml
value [OCaml] "14 + 7 * -12 :: integer"
end