Scala iterate through list except last element
for-loop, scala
Solution
You can drop the first item before you reverse it:
for(thing <- things.drop(1).reverse) {
}
For lists, `drop(1)` is the same as `tail` if the list is non-empty:
for(thing <- things.tail.reverse) {
}
or you could do the reverse first and use `dropRight`:
for(thing <- things.reverse.dropRight(1)) {
}
You can also use `init` if the list is non-empty:
for(thing <- things.reverse.init) {
}
Problem
Using a for loop, how can I iterate through a list, with the ability to not iterate over the very last element in the list. In my case, I would like to not iterate over the first element, and need to iterate through backwards, here is what I have: ``` for( thing <- things.reverse) { //do some computation iterating over every element; //break out of loop when first element is reached } ```