Re: [Haskell-cafe] ANNOUNCE: new installment of failure framework

2009-12-08 Thread Gregory Crosswhite
Michael, Although I like the idea of improving the way that failures are handled in Haskell, I am having trouble seeing any reason to use your framework. If a function is always assumed to succeed given certain pre-conditions, and somewhere along the lines my code discovers that one of these

Re: [Haskell-cafe] ANNOUNCE: new installment of failure framework

2009-12-08 Thread Michael Snoyman
On Tue, Dec 8, 2009 at 11:51 AM, Gregory Crosswhite gcr...@phys.washington.edu wrote: Michael, Although I like the idea of improving the way that failures are handled in Haskell, I am having trouble seeing any reason to use your framework. If a function is always assumed to succeed given

Re: [Haskell-cafe] ANNOUNCE: new installment of failure framework

2009-12-08 Thread José Iborra
On Dec 8, 2009, at 1:47 PM, Michael Snoyman wrote: For example, let's say I want to write some code to authenticate a user via OpenID (see the authenticate package). It has to do at least two things: * Download pages by HTTP * Parse the resulting HTML page. I would like to ideally do

[Haskell-cafe] ANNOUNCE: new installment of failure framework

2009-12-06 Thread Michael Snoyman
We'd like to announce the next installment of the Failure Framework. Based on feedback, our main goals in this release is to reduce the number of external dependencies and avoid complications with monad transformer libraries at the core of the framework. We have made the following changes: *