Set: pp::colors
  Set: pp::unicode
let b := ⊤, a : ℤ := b in a
  Assumed: vector
  Assumed: const
let a := 10, v1 := const a ⊤, v2 := v1 in v2 : vector Bool 10
let a := 10, v1 : vector Bool a := const a ⊤, v2 : vector Bool a := v1 in v2
let a := 10, v1 : vector Bool a := const a ⊤, v2 : vector Bool a := v1 in v2 : vector Bool 10
Failed to solve
a : ℕ := 10, v1 : vector ?M::0 a := const a ⊤ ⊢ Bool ≈ ℤ
    Substitution
    a : ℕ := 10, v1 : vector ?M::0 a := const a ⊤ ⊢ ?M::0[lift:0:1] ≈ ℤ
        Destruct/Decompose
        a : ℕ := 10, v1 : vector ?M::0 a := const a ⊤ ⊢ vector (?M::0[lift:0:1]) a ≺ vector ℤ a
            (line: 31: pos: 26) Type of definition 'v2' must be convertible to expected type.
        Assignment
        a : ℕ := 10 ⊢ ?M::0 ≈ Bool
            Destruct/Decompose
            a : ℕ := 10 ⊢ vector ?M::0 a ≺ vector Bool a
                (line: 30: pos: 26) Type of definition 'v1' must be convertible to expected type.
  Assumed: foo
  Coercion foo
Failed to solve
a : ℕ := 10, v1 : vector ?M::0 a := const a ⊤ ⊢ Bool ≈ ℤ
    Substitution
    a : ℕ := 10, v1 : vector ?M::0 a := const a ⊤ ⊢ ?M::0[lift:0:1] ≈ ℤ
        Destruct/Decompose
        a : ℕ := 10, v1 : vector ?M::0 a := const a ⊤ ⊢ vector (?M::0[lift:0:1]) a ≺ vector ℤ a
            (line: 40: pos: 26) Type of definition 'v2' must be convertible to expected type.
        Assignment
        a : ℕ := 10 ⊢ ?M::0 ≈ Bool
            Destruct/Decompose
            a : ℕ := 10 ⊢ vector ?M::0 a ≺ vector Bool a
                (line: 39: pos: 26) Type of definition 'v1' must be convertible to expected type.
  Set: lean::pp::coercion
Failed to solve
a : ℕ := 10, v1 : vector ?M::0 a := const a ⊤ ⊢ Bool ≈ ℤ
    Substitution
    a : ℕ := 10, v1 : vector ?M::0 a := const a ⊤ ⊢ ?M::0[lift:0:1] ≈ ℤ
        Destruct/Decompose
        a : ℕ := 10, v1 : vector ?M::0 a := const a ⊤ ⊢ vector (?M::0[lift:0:1]) a ≺ vector ℤ a
            (line: 48: pos: 26) Type of definition 'v2' must be convertible to expected type.
        Assignment
        a : ℕ := 10 ⊢ ?M::0 ≈ Bool
            Destruct/Decompose
            a : ℕ := 10 ⊢ vector ?M::0 a ≺ vector Bool a
                (line: 47: pos: 26) Type of definition 'v1' must be convertible to expected type.