> it's been in C++ for longer than Maybe has been in Haskell. Tangentially, how did you conclude that? Haskell has around since 1990 but boost only since 1999

> it's been in C++ for longer than Maybe has been in Haskell. Tangentially, how did you conclude that? Haskell has around since 1990 but boost only since 1999, as far as I can tell. https://en.wikipedia.org/wiki/Haskell_(programming_language) https://en.wikipedia.org/wiki/Haskell_(programming_language) https://en.wikipedia.org/wiki/Boost_(C%2B%2B_libraries) https://en.wikipedia.org/wiki/Boost_(C%2B%2B_libraries)