Re: [Haskell-cafe] Does the GHC GC handle const application?

On Mon, May 30, 2016 at 08:13:41PM -0400, David Feuer wrote:

If I create a thunk representing

const x y

will the garbage collector be sure to replace this with x?

Not until it's evaluated, no.

I'm just wondering if I have to be concerned about the fact that Data.Sequence defines update in terms of adjust, with

update x = adjust (const x)

Could you say more about your concern?