lean4-htt/tests/lean/set_opt_tac.lean

15 lines
325 B
Text

open tactic bool
example (a b : nat) (H : a + b = 0) : a = a :=
by do
H ← get_local "H",
t ← infer_type H,
trace t,
set_bool_option ("pp" <.> "all") tt,
trace "after pp.all true",
trace t,
rfl ← mk_const "rfl",
apply rfl
print "set_bool_option tactic does not affect other commands"
check (0:nat) + 1