Version française
Home     About     Download     Resources     Contact us    
Browse thread
partial match in let
[ Home ] [ Index: by date | by threads ]
[ Search: ]

[ Message by date: previous | next ] [ Message in thread: previous | next ] [ Thread: previous | next ]
Date: -- (:)
From: Dan Grossman <djg@c...>
Subject: Re: [Caml-list] partial match in let

let (x,y) = (match f(x) with [x1;y1] -> (x,y) | _ -> assert false) in foo

Christophe Raffalli wrote:

> 
> Wish: I had like a way to avoid the partial match warning in code like
> 
> let [x;y] = f (x) in foo
> 
> Because if foo is long writing
> 
> match f(x) with [x;y] -> foo | _ -> assert false
> 
> is really ennoying, especially if you have a long sequence of let.
> 
> I find usefull the partial match warning for match and function but not 
> for let (if you write a let, I think you are aware that your matching 
> will be partial for any data type with more than one constructor, you do 
> not need a warning)
>