Code shared from run.dlang.io.

main.d

private
{
	import std.algorithm;
	import std.conv;
	import std.range;
	import std.stdio;
	import std.string;
	import std.traits;
	
    auto propertyGenerator(string name, string type) {
     	return format(
        `
           private %1$s _%2$s;
           void %2$s(%1$s value)
            {
               _%2$s = value;
            }
        `,
        type, name.toLower
        );   
    }
    
    
    template addProperties(string[] props)
    {
        const dchar[] addProperties = props
            							.chunks(2)
            							.map!(p => propertyGenerator(p[0], p[1]))
            							.joiner("\n")
            							.array;
    }
    
    enum props = cast(string[]) [
       "Width", "bool",
       "Height", "int",
   ];
    
    class Test {
     	mixin(addProperties!props);   
    }
    
}

void main()
{
    writeln(propertyGenerator("Dimension", "bool"));
    
   writeln(addProperties!(props));
   auto p = new Test;
   p.width(true);
}