import std.stdio;
void main() {
int[] arr = [1, 2, 3, 4, 5];
auto arr2 = arr[1..$ - 1]; // .. is the slice syntax, $ represents the length of the array
writeln(arr2); // [2, 3, 4]
arr2[0] = 42;
writeln(arr[1]); // 42
}