Module Asttypes

module Asttypes: sig .. end
Auxiliary AST types used by parsetree and typedtree.

type constant = 
| Const_int of int
| Const_char of char
| Const_string of string * string option
| Const_float of string
| Const_int32 of int32
| Const_int64 of int64
| Const_nativeint of nativeint
type rec_flag = 
| Nonrecursive
| Recursive
type direction_flag = 
| Upto
| Downto
type private_flag = 
| Private
| Public
type mutable_flag = 
| Immutable
| Mutable
type virtual_flag = 
| Virtual
| Concrete
type override_flag = 
| Override
| Fresh
type closed_flag = 
| Closed
| Open
type label = string 
type arg_label = 
| Nolabel
| Labelled of string
| Optional of string
type 'a loc = 'a Location.loc = {
   txt : 'a;
   loc : Location.t;
}
type variance = 
| Covariant
| Contravariant
| Invariant