the point of touch is to prevent premature GC, it actually gets erased at the CMM level i believe. That is, it only makes sense to apply touch to lifted types on the heap!
On Mon, Dec 15, 2014 at 4:21 PM, Brandon Simmons < [email protected]> wrote: > > The `primitive` package exports a lifted version of the undocumented > `touch#` > > http://hackage.haskell.org/package/ghc-prim-0.3.1.0/docs/GHC-Prim.html > > which has type: > > touch :: PrimMonad m => a -> m () > > I'd like to know if this works correctly in general, or will it suffer > from the same gotches w/r/t unboxing as with addFinalizer and Weak > references? i.e. must it only be passed an unboxed type? > > Brandon > _______________________________________________ > Glasgow-haskell-users mailing list > [email protected] > http://www.haskell.org/mailman/listinfo/glasgow-haskell-users >
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