foreach Loop Properties
Explore the essential features of the foreach loop in D programming. Learn how element copying works, how to modify elements with ref, maintain container integrity, and iterate in reverse. This lesson helps you write effective loops while avoiding common pitfalls.
We'll cover the following...
We'll cover the following...
Counter for containers
The automatic counter in foreach is provided only when iterating over arrays. There are two options for other containers:
-
Taking advantage of
std.range.enumerate -
Defining and incrementing a counter variable explicitly:
size_t i = 0;
foreach (element; container) {
// ...
++i;
}
A counter variable is needed when counting a specific condition as well. For ...