elab_error_recovery.lean:4:10: error: type mismatch at application
  1 + ""
term
  ""
has type
  string
but is expected to have type
  ℕ
elab_error_recovery.lean:8:13: error: failed to synthesize type class instance for
half_baked : ℕ → ℕ
⊢ has_mem ℕ ℕ
elab_error_recovery.lean:8:8: error: failed to synthesize type class instance for
half_baked : ℕ → ℕ
⊢ decidable (2 ∈ 3)
elab_error_recovery.lean:10:11: error: don't know how to synthesize placeholder
context:
half_baked : ℕ → ℕ
⊢ Type ?
elab_error_recovery.lean:10:11: error: failed to add declaration '_interaction' to environment, value has metavariables
remark: set 'formatter.hide_full_terms' to false to see the complete term
  …
elab_error_recovery.lean:12:20: error: invalid type ascription, expression has type
  list ?m_1
but is expected to have type
  ℕ
state:
half_baked : ℕ → ℕ,
_x : ℕ
⊢ ℕ
elab_error_recovery.lean:6:8: error: don't know how to synthesize placeholder
context:
half_baked : ℕ → ℕ
⊢ ℕ
elab_error_recovery.lean:8:29: error: don't know how to synthesize placeholder
context:
half_baked : ℕ → ℕ
⊢ ℕ
def half_baked._main : ℕ → ℕ :=
λ (a : ℕ),
  ite (a = 3) 2
    (ite (a = 0) (1 + sorry) (ite (a = 5) (sorry + 4) (ite (a = 42) (ite (2 ∈ 3) 3 sorry) (ite (a = 7) sorry sorry))))
2
nat.succ (nat.succ (nat.succ (nat.succ sorry)))
2
elab_error_recovery.lean:21:13: error: type expected at
  0