You could define a recursive function that prints “a string” n times (n being the parameter of the function), like this: printStringNTimes 0 = return () printStringNTimes n = do putStrLn “a string” printStringNTimes (n-1) main = printStringNTimes 10 A somewhat more general approach would be to define a function that repeats any IO action … Read more
Execution of a deferred function is not only delayed, deferred to the moment the surrounding function returns, it is also executed even if the enclosing function terminates abruptly, e.g. panics. Spec: Defer statements: A “defer” statement invokes a function whose execution is deferred to the moment the surrounding function returns, either because the surrounding function … Read more
There are 3 different notations that you can use. As your loop is based on some elements (folders, documents) the most convenient way is to use Expansion Region (of iterative type). Second option, that is a preferred choice when you have some guard based loop is a Loop Node. The last possibility is to simply … Read more
One thing you could do (this of course depends on what you are trying to accomplish) is: Store the necessary information (i.e. like a loop counter) in a spreadsheet or another permanent store(i.e. ScriptProperties). Have your script terminate every five minutes or so. Set up a time driven trigger to run the script every five … Read more
See Loops. For example (assuming @green, @red, @blue variables are defined elsewhere): @colors: green, red, blue; .example_module { .-(@i: length(@colors)) when (@i > 0) { @name: extract(@colors, @i); &.@{name} {background: @@name} .-((@i – 1)); } .-; } – – – In Modern Less the same can be more straight-forward with the help of the Lists … Read more
You could use Stream#generate with limit: Stream.generate(MyClass::new).limit(10);
Is it the correct way to use while loops with asynchronous conditions? Yes. async functions simply suspend their execution on every await until the respective promises fulfills, and any control structures continue to work as before.
There are other options other than what you are asking for that provide similar functionality. For example: You can avoid processing some values using filter: (like a continue) dataSet.filter { it % 2 == 0 }.forEach { // do work on even numbers } You can stop a functional loop by using takeWhile: (like a … Read more
You can roll your own looping that’s almost what you want. Here’s an example with loop { code } until { condition } You can’t have a corresponding loop { code } while { condition } because while is a keyword. But you could call it something else. Anyway here’s some rough and ready code … Read more
In your case, you don’t gain much besides one less line of code in the for loop. However, if you declare the loop like so: for(int i = 0; i < x; i++) You manage to keep i within the scope of the loop, instead of letting it escape to the rest of the code. … Read more