foreach Loop Properties
This lesson explains the different properties of foreach loop.
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 example, ...