18 lines
352 B
Text
18 lines
352 B
Text
open tactic
|
|
|
|
meta def tst1 (A : Type) : tactic unit :=
|
|
do a ← to_expr `(0),
|
|
v ← eval_expr A a,
|
|
return ()
|
|
|
|
run_command do
|
|
a ← to_expr `(nat.add),
|
|
v ← eval_expr nat a,
|
|
trace v,
|
|
return ()
|
|
|
|
run_command do
|
|
a ← to_expr `(λ x : nat, x + 1),
|
|
v ← (eval_expr nat a <|> trace "tactic failed" >> return 1),
|
|
trace v,
|
|
return ()
|