例句與造句

1. Haskell features a type system with type inference and lazy evaluation.
2. The CAL language borrows much from Haskell syntax, but also eschews some Haskell features.
3. Haskell features lazy evaluation, pattern matching, list comprehension, type classes, and type polymorphism.
4. Bastiaan Heeren, Daan Leijen, and Arjan van IJzendoorn in 2003 also observed some stumbling blocks for Haskell learners : " The subtle syntax and sophisticated type system of Haskell are a double edged sword  highly appreciated by experienced programmers but also a source of frustration among beginners, since the generality of Haskell often leads to cryptic error messages . " To address these, researchers from Utrecht University developed an advanced interpreter called Helium which improved the user-friendliness of error messages by limiting the generality of some Haskell features, and in particular removing support for type classes.
5. It's difficult to find haskell features in a sentence. 用haskell features造句挺難的