Is Haskell a Good Programming Language?

"I feel like i've got the benefits of haskell, some of them, 90% or 80%. Plus i've got all the other stuff. It's why i prefer closur a." "But i do see the problem. I see when i look at other people's code, i'm like, i don't like that you're returning sometimes in number, sometimes a string,. Sometimes in a ray or o a vector, and sometimes null," he says. 'It's not part of the language, but i'm doing it right? Verses'