18 lines
539 B
Text
18 lines
539 B
Text
open tactic
|
|
|
|
set_option pp.binder_types true
|
|
definition foo (A : Type) : A → A :=
|
|
sorry
|
|
|
|
example (a : nat) (H : foo unit () = ()) : true :=
|
|
by do
|
|
(lhs, rhs) ← get_local `H >>= infer_type >>= match_eq ,
|
|
get_spec_subsingleton_info lhs >>= trace,
|
|
trace "-----------",
|
|
trace "ite information:",
|
|
mk_const `ite >>= get_fun_info >>= trace,
|
|
trace "eq.rec information:",
|
|
mk_const `eq.rec >>= get_fun_info >>= trace,
|
|
trace "and.intro information:",
|
|
mk_const `and.intro >>= get_fun_info >>= trace,
|
|
mk_const `trivial >>= exact
|