Is it possible to declare mutable and immutable values/bindings simultaneously?

For example I want to declare let len, (*mutable*) i = if s.Length >= 2 && s.[0] = \'0\' && (s.[1] = \'x\' || s.[1] = \'X\') then

let her go中文歌词？

Inconsistency of scoping between "type ...and " and "let ...and " in Ocaml

I wonder why in OCaml, let ... and does not have the same kind of scoping as type ... and. The following one is OK, t2 is in the same scope as t1:

Haskell let in/where and if indentation

I have a function: isSimpleNumber :: Int -> Bool isSimpleNumber x = let deriveList = map (\\y -> (x `mod` y)) [1 .. x]

What is the difference between a let block statement and an equivalent with statement?

OBSOLETE The block version of the let statement was dropped from ES6 before it was finalized, and it has been removed from the browsers that supported it. This question is now only of historic inter

Better to use "and" or "in" when chaining "let" statements?

I realize this is probably a silly question, but... If I\'m chaining a bunch of let statements which do not need to know each other\'s values, is it better to use and or in?

Variable scope + eval in Clojure

In Clojure, (def x 3) (eval \'(prn x)) prints 3, whereas (let [y 3] (eval \'(prn y))) and (binding [z 3] (eval \'(prn z)))

Setting Vim Options with Variables

I\'ve a question that should be fairly simple, but I have yet to find a solution for.I\'m editing my .vimrc and would like to set an option using results saved in a variable.For example, I would like

Workaround for let keyword?

How can I get this var i = 0; var codes = [1, 2, 3]; for (var i = 0; i < codes.length; ++i) { setTime开发者_如何学编程out(function(){alert(codes[i]);},100);

I Won't Let You Go(Piano Version)？

I Won't Let You Go- Adam TylerEvery song I heard todayIn my headI could swear I was hearing your voiceIt's not easy to let you goOr forgetFrom the start it was never a choiceWe don't nee