package ppx_meta_conv

You can search for identifiers within the package.

in-package search v0.2.0

On This Page

Decoding errors

ppx_meta_conv.runtime
- Meta_conv
  - Coder
    
    Make
    
    A
    
    Constr
    
    Deconstr
    
    Constr
    
    Deconstr
    
    DeconstrDecoder
    
    Helper
  - Error
    
    LocalException
    
    A
  - Internal
  - Open
  - Result
    
    Open
  - Types
    
    Decoder
    
    Encoder
    
    Min
    
    Constr
    
    Deconstr
    
    S
    
    Constr
    
    Deconstr
    
    DeconstrDecoder
    
    Helper

Legend:
Library
Module
Module type
Parameter
Class
Class type

Decoding errors

type desc = [

| `Exception of exn
| `Unknown_fields of string * string list * Obj.t
| `Unknown_tag of string * string
| `Required_field_not_found of string * string
| `Wrong_arity of int * int * (string * string) option
| `Primitive_decoding_failure of string
| `Sub_decoders_failed_for_one_of of string

]

type 'target trace = [ `Node of 'target | `Pos of int | `Field of string ] list

Position information of decoded data

type 'target t = desc * 'target * 'target trace

val format : 
  (Format.formatter -> 'target -> unit) ->
  Format.formatter ->
  'target t ->
  unit

Print out t with its trace

val format_desc : Format.formatter -> desc -> unit

Print out t without its trace

val format_trace_item : 
  (Format.formatter -> 'target -> unit) ->
  Format.formatter ->
  [< `Field of string | `Node of 'target | `Pos of int ] ->
  unit

Print out one trace item

module LocalException (A : sig ... end) : sig ... end

LocalException functor to have exception with target type