#define so_convenient(x) value = some_func(x,#x)

mixin("value = 123;");

string soConvenient(alias A)()
{
    return std.string.format(
        'value = someFunc(%1$s, "%1$s");',
        __traits(identifier, A));
}

mixin(soConvenient!x);       // equivalent to 'so_convenient(x) in C