Type mismatch
  g
has type
  ?m → ?m
but is expected to have type
  β✝ → β✝
Type mismatch
  g
has type
  ?m → ?m
but is expected to have type
  β✝ → β✝
let g := @id;
foo g true : Bool
foo (fun {β} => id) true : Bool
foo (@id) true : Bool
foo (fun {β} b => b) true : Bool
foo (fun β b => b) true : Bool
Type mismatch
  b
has type
  Type ?u
of sort `Type (?u + 1)` but is expected to have type
  b → b
of sort `Type ?u`
foo (fun b => sorry) true : Bool
foo (fun β b => b) true : Bool
h (x : Nat := @OfNat.ofNat Nat (nat_lit 10) (instOfNatNat (nat_lit 10)))
  (y : Nat := @OfNat.ofNat Nat (nat_lit 20) (instOfNatNat (nat_lit 20))) : Nat
let f := @h;
f (@OfNat.ofNat Nat (nat_lit 10) (instOfNatNat (nat_lit 10)))
  (@OfNat.ofNat Nat (nat_lit 20) (instOfNatNat (nat_lit 20))) : Nat
let f := fun x =>
  @HAdd.hAdd (optParam Nat (@OfNat.ofNat Nat (nat_lit 10) (instOfNatNat (nat_lit 10)))) Nat
    (optParam Nat (@OfNat.ofNat Nat (nat_lit 10) (instOfNatNat (nat_lit 10))))
    (@instHAdd (optParam Nat (@OfNat.ofNat Nat (nat_lit 10) (instOfNatNat (nat_lit 10)))) instAddNat) x
    (@OfNat.ofNat Nat (nat_lit 1) (instOfNatNat (nat_lit 1)));
@HAdd.hAdd (optParam Nat (@OfNat.ofNat Nat (nat_lit 10) (instOfNatNat (nat_lit 10))))
  (optParam Nat (@OfNat.ofNat Nat (nat_lit 10) (instOfNatNat (nat_lit 10))))
  (optParam Nat (@OfNat.ofNat Nat (nat_lit 10) (instOfNatNat (nat_lit 10))))
  (@instHAdd (optParam Nat (@OfNat.ofNat Nat (nat_lit 10) (instOfNatNat (nat_lit 10)))) instAddNat)
  (f (@OfNat.ofNat Nat (nat_lit 10) (instOfNatNat (nat_lit 10))))
  (f
    (@OfNat.ofNat Nat (nat_lit 1)
      (instOfNatNat (nat_lit 1)))) : optParam Nat (@OfNat.ofNat Nat (nat_lit 10) (instOfNatNat (nat_lit 10)))
fun x =>
  x : optParam Nat (@OfNat.ofNat Nat (nat_lit 10) (instOfNatNat (nat_lit 10))) →
  optParam Nat (@OfNat.ofNat Nat (nat_lit 10) (instOfNatNat (nat_lit 10)))
have x := @OfNat.ofNat Nat (nat_lit 10) (instOfNatNat (nat_lit 10));
@HAdd.hAdd Nat Nat Nat (@instHAdd Nat instAddNat) x (@OfNat.ofNat Nat (nat_lit 1) (instOfNatNat (nat_lit 1))) : Nat