package octez-libs

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The Lwt_traced_result_syntax module is similar to the Lwt_result_syntax module with the following difference:

val return : 'a -> ('a, 'error) result Lwt.t

val return_unit : (unit, 'error) result Lwt.t

val return_none : ('a option, 'error) result Lwt.t

val return_some : 'a -> ('a option, 'error) result Lwt.t

val return_nil : ('a list, 'error) result Lwt.t

val return_true : (bool, 'error) result Lwt.t

val return_false : (bool, 'error) result Lwt.t

val fail : 'error -> ('a, 'error trace) result Lwt.t

fail e is Lwt.return (Error (Trace.make e)) where Trace is the Traced_sigs.Trace module that provides the trace type and functions.

val let* : 
  ('a, 'e) result Lwt.t ->
  ('a -> ('b, 'e) result Lwt.t) ->
  ('b, 'e) result Lwt.t

val and* : 
  ('a, 'e trace) result Lwt.t ->
  ('b, 'e trace) result Lwt.t ->
  ('a * 'b, 'e trace) result Lwt.t

val let+ : ('a, 'e) result Lwt.t -> ('a -> 'b) -> ('b, 'e) result Lwt.t

val and+ : 
  ('a, 'e trace) result Lwt.t ->
  ('b, 'e trace) result Lwt.t ->
  ('a * 'b, 'e trace) result Lwt.t

val let*! : 'a Lwt.t -> ('a -> 'b Lwt.t) -> 'b Lwt.t

val let*? : 
  ('a, 'e) result ->
  ('a -> ('b, 'e) result Lwt.t) ->
  ('b, 'e) result Lwt.t

val join : 
  (unit, 'error trace) result Lwt.t list ->
  (unit, 'error trace) result Lwt.t

val all : 
  ('a, 'error trace) result Lwt.t list ->
  ('a list, 'error trace) result Lwt.t

val both : 
  ('a, 'error trace) result Lwt.t ->
  ('b, 'error trace) result Lwt.t ->
  ('a * 'b, 'error trace) result Lwt.t