This question already has answers here: What's the difference between multiple parameters lists and multiple parameters per list in Scala?
Sometimes it is useful to take a method call, complete with parameters, and turn it into a MethodInvoker which will invoke the indicated function with those parameters, without having to specify the p
I have a function: powerOf :: Int -> Int -> Int example os usage: *Main Data.List> powerOf 100 2
So something like addList :: [int] -> int addList = fol开发者_如何学Pythondl1 (+) Why does this work? The Currying part. Why no variable?If you define a function like f x y = bla, this is the sa
in liftbook, there\'s an example of creating of a Req instance by using apply : case Req(List(\"api\", \"expense\", eid), \"\", GetRequest) =>
Partial application is cool. What functionality does functools.partial offer that you can\'t get through lambdas?
def mainCaller() = { val name = \"xyz\" someList.foreach { u:Map => foo(name, u) } } def foo(name:String)(map:Map): Unit = {
While creating a map of String to partial functions I ran into unexpected behavior.When I create a partial function as a map element it works fine.When I allocate to a val it invokes instead.Trying to
Can you pass in an operation like \"divide by 2\" or \"subtract 1\" using just a partially applied operator, where \"add 1\" looks like this: