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MinaProtocol / mina / 287

17 Jun 2025 01:26PM UTC coverage: 31.731% (+0.6%) from 31.167%
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Merge pull request #17403 from MinaProtocol/dkijania/bookworm_support

support bookworm in CI

8283 of 26104 relevant lines covered (31.73%)

17318.77 hits per line

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16.67
/src/lib/rosetta_lib/validation.ml
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open Core_kernel
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(* Applicative validation -- like https://hackage.haskell.org/package/validation-1.1/docs/Data-Validation.html   *)
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module T = struct
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  type ('a, 'b) t = ('a, 'b list) Result.t
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  let map = `Custom (fun t ~f -> Result.map ~f t)
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  let return a = Result.return a
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  let fail e = Result.fail [ e ]
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  let apply ft t =
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    match (ft, t) with
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    | Ok f, Ok a ->
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        Ok (f a)
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    | Error es, Ok _ ->
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        Error es
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    | Ok _, Error es ->
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        Error es
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    | Error es, Error es' ->
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        Error (es @ es')
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end
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include T
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include Applicative.Make2 (T)
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module Let_syntax = struct
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  let return = return
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  module Let_syntax = struct
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    let return = return
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    let map = map
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    let both t1 t2 = apply (map t1 ~f:(fun x y -> (x, y))) t2
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    module Open_on_rhs = struct end
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  end
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end
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