Delegate

[Fabian Claßen]

Hi
I have a problem:

What's wrong about this code?
Code:

import std.stdio;

int main() {
	writefln("%f", add(100, 786, 56.0));
	return 0;
}

double add(double delegate()[] dgs...) {
	double result = 0;
	foreach(double delegate() dg; dgs) {
		result += dg;
	}
	return result;
}

Or a better question is: How can I get the value out of the delegate?

Greetings Fabian Claßen

PS: I am a beginner :P
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