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charset="UTF-8" You need a parser for the printed representation of your type. There are many sources of information on parsing in OCaml, for example: https://realworldocaml.org/v1/en/html/parsing-with-ocamllex-and-menhir.html, https://caml.inria.fr/pub/docs/oreilly-book/html/book-ora103.html; if you have a copy of "The Functional Approach To Programming" parsing is covered there also. As a shortcut, you _may_ be able to use sexp-lib to automagically create a parser for you; sexp-lib is covered in https://realworldocaml.org/v1/en/html/data-serialization-with-s-expressions.html . -- Best, Zhenya On Thu, Jun 29, 2017 at 11:24 AM, Umair Siddique wrote: > Hi all, > > Can someone indicate me the best way to read custom type from a file or > from command line. > > for example, type abc = Awsome | Great ;; > > I want to read it from a file or command line > > > Thanks > > Uma > --94eb2c05d3344752ad05531b10fc Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
You need a parser for the printed representation= of your type. There are many sources of information on parsing in OCaml, f= or example: https://realworldocaml.org/v1/en/html/parsing-with= -ocamllex-and-menhir.html, https://caml.inria.fr/pub/docs/oreilly-bo= ok/html/book-ora103.html; if you have a copy of "The Functional Ap= proach To Programming" parsing is covered there also.=C2=A0 As a short= cut, you _may_ be able to use sexp-lib to automagically create a parser for= you; sexp-lib is covered in https://realworldocaml.org/v= 1/en/html/data-serialization-with-s-expressions.html.

--
Best,
Zhenya

On Thu, Jun 29, 2017 at 11:24 AM, Umair Siddique <umair= .hvg@gmail.com> wrote:
Hi all,=C2=A0

Can someone indica= te me the best way to read custom type from a file or from command line.

for example, type abc =3D Awsome | Great ;;=C2=A0

I want to read it from a file or command line =C2=A0=


Thanks=C2=A0

<= div>Uma

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