For loop with separator

[a11e99z]

On Saturday, 6 July 2019 at 11:48:42 UTC, berni wrote:
> On Thursday, 4 July 2019 at 17:00:33 UTC, Q. Schroll wrote:
>> The prime example is printing the comma when printing a list: 
>> There is one between any two elements, but neither is one at 
>> front or behind the last one.
>
> If it is just for printing commas in between, you can use 
> range.join(", ")
>
> https://dlang.org/phobos/std_array.html#.join

.map!(e=>e.text).join( ", "); // map for non strings
or
.format!"%(%s, %)"; // for anything