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val parse_alternatives : (string * (string -> 'a Tezos_base.TzPervasives.tzresult Lwt.t)) list -> string -> 'a Tezos_base.TzPervasives.tzresult Lwt.t
Allows to parse an argument taking one of many forms. Accepts a list of alternative parsers and an input string. Each alternative consists of a string being the name of the format and a function for parsing the input.
If the input string has form 'format:argument', where 'format' appears among alternative names, then the parser associated with that name is run against the argument and its result is returned. Otherwise, each parser is tried against the whole input in turn. If any of them succeeds, no further parsers are tried and the successful result is returned. If none succeeds, their error traces are combined into an error which is returned.
module type Entity = sig ... end
module type Alias = sig ... end