Abstract FilePath Proposal

[Henning Thielemann]

On Fri, 26 Jun 2015, Herbert Valerio Riedel wrote:

> What?
> =====
>
> We (see From: & CC: headers) propose, plain and simple, to turn the
> currently defined type-synonym
>
>  type FilePath = String
>
> into an abstract/opaque data type instead.

Has someone else tried the pathtype package?
    http://hackage.haskell.org/package/pathtype

I found its idea great, but in practice I could not use it because it 
always tries to canonicalize paths on initialization.