...version of `f` not using the alias template in the parameter list:

```
struct B (T...

...I can.

```C++
template <typename T>
using Vector3 = Matrix<T, 3, 1>;

template <typename T...

...same corruption without the getMember trait:

```
mixin template Impl(T){
    alias a = T.test;
    pragma...

There are already a ton issues about this filed, including Steven's 16 years old...

...b2.temp@gmx.com> ---
reduced further

```
mixin template Impl(T){
    alias a =  __traits(getMember, T...

...March 2023 at 13:29:56 UTC, jmh530 wrote:


Right,`template alias` is very important!

...want on the template or on static if's within the template). You can place...

Ah, thank you! Yeah now that I see it's more about specifically recognizing and...

...simple alias templates:

```
template <typename T, int M, int N>
struct Matrix {
};

template <typename T...

What the OP is referring to is an old D bug [1]. In this thread...