Mochi是一个动态类型的编程语言，用于函数式编程和actor风格的编程。

它的解析器采用Python3编写。这个解析器将一个采用Mochi编写的程序转换成Python3的AST / bytecode。

特性

• 类似于Python的语法
• Tail recursion optimization (self tail recursion only), and no loop syntax
• Re-assignment are not allowed in function definition.
• Basic collection type is a persistent data structure. (using Pyrsistent)
• Pattern matching / Data types, like algebraic data types
• Pipeline operator
• Syntax sugar of anonymous function definition
• Actor, like the actor of Erlang（using Eventlet)
• Macro, like the traditional macro of Lisp
• Builtin functions includes functions exported by itertools module, recipes, functools module and operator module

示例

Factorial    def factorial(n, m):      if n == 1:          m      else:          factorial(n - 1, n * m)      factorial(10000, 1)  # => 28462596809170545189064132121198688...    # Or    def factorial:      n: factorial(n, 1)      0, acc: acc      n, acc: factorial(n - 1, acc * n)    factorial(10000)  # => 28462596809170545189064132121198688...