Patterns.Simpletype view = [ | `Any| `Constant of Asttypes.constant| `Tuple of Typedtree.pattern list| `Construct of
  Longident.t Asttypes.loc
  * Types.constructor_description
  * Typedtree.pattern list| `Variant of Asttypes.label * Typedtree.pattern option * Types.row_desc ref| `Record of
  (Longident.t Asttypes.loc * Types.label_description * Typedtree.pattern) list
  * Asttypes.closed_flag| `Array of Typedtree.pattern list| `Lazy of Typedtree.pattern ]type pattern = view Typedtree.pattern_dataval omega : [> view ] Typedtree.pattern_data