Iterate over a string to get unicode codes

[Adam D. Ruppe]

On Sunday, 1 September 2013 at 14:07:00 UTC, Flamaros wrote:
> Is there a simple way to extract from a string all Unicode 
> codes as uint values?

string foo = "whatever";

foreach(dchar ch; foo) {
    // ch is the code point as a 32 bit number
    // use it directly or cast to uint here
}