void main()

{

    struct Row

    {

        @Column!Row((ref Row r, scope SinkT s){ s("test"); })

        uint fileSize;

    }

    auto formatters = parseRowInfo!Row;

}

​

​

alias SinkT = void delegate(const(char)[]);

alias Formatter(Row) = void delegate(ref Row row, scope SinkT sink);

​

struct Column(Row)

{

    Formatter!Row formatter;

}

​

Formatter!Row[] parseRowInfo(Row)()

{

    import std.traits;

    Formatter!Row[] formatters;

    alias symbols = getSymbolsByUDA!(Row, Column!Row);

    foreach(i; 0..symbols.length)

    {

        formatters ~= getUDAs!(symbols, Column!Row)[0].formatter;

    }

    return formatters;

}