package picos

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Wrapper for exceptions with backtraces.

type t = {

}

An exception and a backtrace.

val get : exn -> t

get exn is equivalent to { exn; bt = Printexc.get_raw_backtrace () }.

val get_callstack : int -> exn -> t

get_callstack n exn is equivalent to { exn; bt = Printexc.get_callstack n }.

Note that Printexc.get_callstack 0 effectively returns a constant value and this function is optimized to take that into account.

val raise : t -> 'a

raise exn_bt is equivalent to Printexc.raise_with_backtrace exn_bt.exn exn_bt.bt.

val discontinue : ('a, 'b) Effect.Deep.continuation -> t -> 'b

discontinue k exn_bt is equivalent to Effect.Deep.discontinue_with_backtrace k exn_bt.exn exn_bt.bt.

val discontinue_with : 
  ('a, 'b) Effect.Shallow.continuation ->
  t ->
  ('b, 'c) Effect.Shallow.handler ->
  'c

discontinue_with k exn_bt h is equivalent to Effect.Shallow.discontinue_with_backtrace k exn_bt.exn exn_bt.bt h.