I don't think laziness is as much of an issue as the GC. You can't write a Haskell library and the link it into arbitrary programs safely. If you want to write

I don't think laziness is as much of an issue as the GC. You can't write a Haskell library and the link it into arbitrary programs safely. If you want to write a new libssl or libjpeg, you need to use c, c++, or rust (or a few others, of course).