Using the Variant (Setting it's memory location)

[Ali Çehreli]

On 02/05/2012 12:20 PM, Era Scarecrow wrote:
 > I've been working and building a struct called 'AllTypes' which I've
 > come to the conclusion is already available as a variant. However as I
 > look at the documentation I don't see any methods/constructors to use
 > where I can specify where I want the data to be access from.
 >
 > The data I will be accessing has dozens of different structures of
 > records which I keep the formatting and types saved in an array. I see
 > the problem where although variant can handle what I need, but I don't
 > see a way to specify a specific memory range/access in order to use it.
 >
 > ubyte[] buffer;
 >
 > //buffer is loaded at some point with data so length > 0;
 > buffer.length = 2;
 >
 > //0 is the offset from the buffer rather than making a range.
 > Variant v(buffer, int8, 0);
 > v = 10;
 > assert(buffer[0] == 10);
 >
 > v = Variant(buffer, int8, 1);
 > v = 25;
 >
 > assert(buffer[0] == 10);
 > assert(buffer[1] == 25);

I see that it's not exactly what you are looking for, but have you 
looked at std.conv.emplace()?

Ali