Module Ppx_deriving_runtime.Predef

module Predef: sig .. end
The Ppx_deriving_runtime.Predef module is necessary in absence of a type nonrec construct.

type _int = int 
type _char = char 
type _string = string 
type _float = float 
type _bool = bool 
type _unit = unit 
type _exn = exn 
type 'a _array = 'a array 
type 'a _list = 'a list 
type 'a _option = 'a option = 
| None
| Some of 'a
type _nativeint = nativeint 
type _int32 = int32 
type _int64 = int64 
type 'a _lazy_t = 'a lazy_t 
type _bytes = bytes