Top "For-in-loop" questions

'for-in' is a type of 'Fast enumeration', which is a language feature that allows you to efficiently and safely enumerate over the contents of a collection using a concise syntax.

Python for-in loop preceded by a variable

foo = [x for x in bar if x.occupants > 1] After googling and searching on here, couldn't figure out what …

python for-loop for-in-loop
"var" or no "var" in JavaScript's "for-in" loop?

What's the correct way to write a for-in loop in JavaScript? The browser doesn't issue a complaint about either of …

javascript syntax for-in-loop
For...in statement Objective-C

I am studying Objective-C and I came across this "for...in" statement. I searched for it but i still don't …

objective-c for-in-loop
Swift for-in loop dictionary experiment

I'm almost a complete programming beginner and I've started to go through a Swift ebook from Apple. The things I …

dictionary swift control-flow for-in-loop
Type Int does not conform to protocol sequence

I have the following code in Swift 3: var numbers = [1,2,1] for number in numbers.count - 1 { // error if numbers[number] < …

arrays swift swift3 sequence for-in-loop
How to skip to next in javascript in a for-in with a while inside?

I have a short javascript code where I need to skip to next in the for loop....see below: var …

javascript for-loop for-in-loop
ESLint doesn't allow for in

I have an object currentValues= {hey:1212, git:1212, nmo:12121} and I use for in like this: for (const key in currentValues) { …

javascript eslint for-in-loop
Type casting in for-in loop

I have this for-in loop: for button in view.subviews { } Now I want button to be cast into a custom …

for-loop swift for-in-loop
Can I use 'where' inside a for-loop in swift?

Is there also a possibility to use the 'where' keyword in another place then a switch? Can I use it …

for-loop swift where where-clause for-in-loop