For what it's worth, at Jane Street, we use it all the time (although we
spell it |!, not |>).  Not for intellisense, but because it makes certain
kinds of transformation code easier to understand.

y

On Sun, Oct 3, 2010 at 10:15 AM, <Thomas.Gazagnaire@inria.fr> wrote:

> I believe it is considered as good practice in F# to use the forward type
> operator, only because of visual-studio "intellisense", ie. tab completion
> using types information available at write-time.
>
> So suppose you a variable x already typed in your environment, if you write
> :
> $ x |> map (fun elt -> elt.
> at this point visual studio can infer the type of elt and show to the
> programmer which 'methods' he can call on it.
>
> if you do the normal way, you can't infer the type of elt at write-time.
> imho, the impact on style and readability is only a fortunate side-effect
> :-)
>
> --
> Thomas
>
> > hi
> > Reading a few introduction F# articles and presentations I made the
> > observation that the forward pipe operator is widely popular. Its also
> > a language feature that, when it comes  up on blogposts or on
> > stackoverflow, its  presented as a special F# feature.
> > In the Ocaml world the pipe doesn't have a special place. I doesn't
> > come up in any of the Ocaml Books (print or pdf) and hardly any
> > internet articles or blog posts. For example Jon Harrop mentions the
> > pipe in one of his F# books but not in the Ocaml for Scientists book.
> > Looking at the mentioned F# code, I think the usage of the pipe has an
> > ( imho positive) impact on the style and the readability of the code.
> > But obviously the proficient Ocaml folks don't use it - could someone
> > may explain the reason(s)?
> > thanks
> > ben
> >
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