Re: [Haskell-cafe] ANNOUNCE: tie-knot library

Using the GPL (or a strong copyleft free license) strengthens the free software community of which I thought the Haskell community is a part (or at least intersects substantially). I'm not sure why people are recommending not to use it. Let me counter with my recommendation against switching to the weaker BSD license, so readers don't get the impression that we all agree on this issue. On Tue, Dec 11, 2012 at 11:38 PM, Felipe Almeida Lessa < felipe.lessa@gmail.com> wrote:

Hey, Petr!

Have you considered licensing your library as BSD? Given the current way that Haskell programs are compiled, your library is effectively licensed as GPL and that will scare away many people from using it.

Cheers, =)

On Mon, Dec 10, 2012 at 6:58 PM, Petr P wrote:

...

Dear Haskellers,

I'd like to announce a small library "tie-knot":

"Ties the knot" on a given set of structures that reference each other by keys - replaces the keys with their respective values. Takes Map k (v k) and converts into Map k v' where v' is the fixed point of v.

Motivation: I needed to assemble a finite-state machine from an external description where each node was described by some identifier. I needed a simple library that would replace all key referencess with the actual values.

See https://github.com/ppetr/tie-knot for examples.

Hackage: http://hackage.haskell.org/package/tie-knot

- Petr Pudlak

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-- Felipe.

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