'''Hope''' is a purely functional programming language from 1970s, which predates Miranda and Haskell. It is the first language with call-by-pattern evaluation and algebraic data types, and its most used interpreter is fully lazy evaluated.
'''Hope''' is a purely functional programming language from 1970s, which predates Miranda and Haskell. It is the first language with call-by-pattern evaluation and algebraic data types, and its most used interpreter is fully lazy evaluated.