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instanciation of functor using command line
- Thomas Gazagnaire
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Date: | 2007-08-13 (06:59) |
From: | Thomas Gazagnaire <thomas.gazagnaire@i...> |
Subject: | instanciation of functor using command line |
Hello, I have a functor F parametrized by n modules types T1,T2,...,Tn : module Make : functor (M1: S1) -> ... functor (Mn : Tn) -> [...] and I have multiples modules Mij having the signature Ti. Then, I would like to parse the command line in order to let the user choose the different modules used to implement the given signatures. Is there any other solution that the (ugly) one of making a big "match argv.(1),...,argv.(n) with" to enumerate all possible n-uplet and build the corresponding functor ? Ideally, I would like to do something like : module M1 = match argv.(1) with | "toto" -> Toto | "foo" -> Foo ... module Mn = match argv.(n) with | "bar" -> Bar | "toto" -> Toto module F = Make(M1)(M2)...(Mn) but it seems not possible to do that. Thanks ! Thomas