On Friday, 1 September 2017 at 22:21:18 UTC, Biotronic wrote:
On Friday, 1 September 2017 at 20:58:20 UTC, EntangledQuanta
wrote:
template(A, B...)
{
auto foo(C...)(C c)
{
... get c's parameter names, should be alpha, beta
}
}
foo!(., .)(alpha, beta)
I need the actual identifiers passed to foo. I can get the
types(obviously C) but when I try to get the identifier
names(__traits(identifier or other methods) I stuff get
_param_k or errors.
I need both C's types and the parameter identifier names past,
else I'd just pass as strings.
Like Jonathan M Davis points out, this is impossible for
regular parameters. For template alias parameters, on the other
hand, this works:
void bar(alias fn)() {
assert(fn.stringof == "alpha");
}
unittest {
int alpha;
bar!(alpha);
}
--
Biotronic
The problem I have with this is that when I try to pass variables
in the template complains that there is no "this"
So, what I have resorted to doing is passing the type and the
name, which seems redundant:
bar!(int, "alpha")
rather than
bar!(alpha) or bar(alpha)
alpha is a variable in a object in my case.
I've tried basically something like the following
void bar(alias fn)()
{
typeof(fn) should return int and
fn.stringof should return "alpha"
}
although my code is more complex since I have multiple template
parameters(using a variadic).
