error[E04005]: expected a single type
  ┌─ tests/move_check/typing/declare_wrong_arity.move:5:13
  │
5 │         let x: ();
  │             ^  -- Expected a single type, but found expression list type: '()'
  │             │   
  │             Invalid type for local

error[E04007]: incompatible types
  ┌─ tests/move_check/typing/declare_wrong_arity.move:6:13
  │
6 │         let (): u64;
  │             ^^  --- Given: 'u64'
  │             │    
  │             Invalid value for binding
  │             Expected: '()'

error[E04007]: incompatible types
  ┌─ tests/move_check/typing/declare_wrong_arity.move:7:13
  │
7 │         let (x, b, R{f}): (u64, bool, R, R);
  │             ^^^^^^^^^^^^  ----------------- Given expression list of length 4: '(u64, bool, 0x8675309::M::R, 0x8675309::M::R)'
  │             │              
  │             Invalid value for binding
  │             Expected expression list of length 3: '(_, _, _)'

error[E04007]: incompatible types
  ┌─ tests/move_check/typing/declare_wrong_arity.move:8:13
  │
8 │         let (x, b, R{f}): (u64, bool);
  │             ^^^^^^^^^^^^  ----------- Given expression list of length 2: '(u64, bool)'
  │             │              
  │             Invalid value for binding
  │             Expected expression list of length 3: '(_, _, _)'