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Arg-module: Float-Args also accept integer values
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| Date: | -- (:) |
| From: | Sachin Shah <zakaluka@g...> |
| Subject: | Re: [Caml-list] Arg-module: Float-Args also accept integer values |
On 8/8/06, Oliver Bandel <oliver@first.in-berlin.de> wrote: > On Tue, Aug 08, 2006 at 03:19:15PM -0600, William D. Neumann wrote: > > On Tue, 8 Aug 2006, Oliver Bandel wrote: > > > > >Is this a wanted behaviour? > > >It's an implicit conversion from the integer value in the cli-string > > >to float. Even if this is very convenient for a user, it is not > > >completely following OCaml's philosophy (regarding types). > > > > Not really. It's the same behavior as float_of_string (because it uses > > float of string). > > > > # float_of_string "42";; > > - : float = 42. > > > [...] > > Ah, ok, I see. > > Thanks! > > (But.... shouldn't throw this an eception, because it's > an int, not a float?!) > > Ciao, > Oliver No, because 42 is a valid int and a valid float. Since integers are a proper subset of floating-point numbers, this is the correct behavior for float_of_string. Regards, Sachin.