sweet-currying:λ函数的隐式计算

甜咖喱！ 用λ函数隐式计算！ 句法 let add = λ a b | a + b var uncurried = add ( 10 , 20 ) ; // 30; var curried = add ( 10 ) ( 20 ) ; // 30; var curriedFn = add ( 10 ) ; // function(y) { return $(UPPERSCOPE_X) + y; };