static foreach / How to construct concatenated string?

[Robert M. Münch via Digitalmars-d-learn]

I want to create a "CREATE TABLE data (...)" where the columns are 
derived from struct member names. Something like:

string s = "CREATE TABLE data(";
static foreach(f; FieldNameTuple!myStruct) {
 s ~= f ~ ",";
}

s ~= ");";

Which of course doesn't work... I didn't find any reference how to 
build-up strings in a statif foreach loop.

Is this possible at all?

--
Robert M. Münch
http://www.saphirion.com
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