Haskell is not a great language for programs that need to fit within tight memory or latency limits. It's also slower in some cases than C/C++, but it's definit

Haskell is not a great language for programs that need to fit within tight memory or latency limits. It's also slower in some cases than C/C++, but it's definitely competitive with other high-level languages. Other than that, it's pretty excellent for everything.