Generating members from parameter tuple

[Brad Anderson]

On Monday, 19 August 2013 at 16:22:21 UTC, John Colvin wrote:
> On Monday, 19 August 2013 at 06:56:24 UTC, Brad Anderson wrote:
>> import std.typetuple;
>>
>> struct S(T...)
>> {
>> 	alias Types = T;
>> }
>>
>> alias Si = S!(int, short);
>> alias Sf = S!(float, double);
>>
>> template STypes(STy) { alias STypes = STy.Types; }
>>
>>
>> struct B(Ss...)
>> {
>> 	alias CombinedTypes =
>> 		NoDuplicates!(TypeTuple!(staticMap!(STypes, Ss)));
>> 	
>> 	// I'd like to create a member here for every type in 
>> CombinedTypes
>> 	// that is an array of each type. e.g.,
>> 	// int[] 	_intArray;
>> 	// short[] 	_shortArray;
>> 	// float[]	_floatArray;
>> 	// double[]	_doubleArray;
>> 	//
>> 	// I don't believe the names matter because I'd probably want
>> 	// to use a templated method that returns the appropriate
>> 	// member based on the type supplied (e.g., getArray!int(),
>> 	// getArray!short(), etc.)
>> }
>
> Take a look at the implementation of std.typetuple.Tuple, it 
> does something similar.

I actually looked there first but it parses the types to support 
named parameters so it was much more complicated than I could use.