function type parameter inference not working

[ag0aep6g via Digitalmars-d-learn]

On 04/23/2017 09:33 PM, XavierAP wrote:
> void assembleMass1D(Mat, Vec)(ref Mat M, const ref Vec x)
> { /* ... */ }
> Matrix!(2,2) M = /* ... */;
> Vector!2     V = /* ... */;
> assembleMass1D(M, V); // ERROR template cannot deduce function from
> argument types

Please post self-contained code. When I fill the gaps you left, it works 
for me:

----
struct Matrix(uint a, uint b) {}
struct Vector(uint a) {}

void assembleMass1D(Mat, Vec)(ref Mat M, const ref Vec x)
{ /* ... */ }

void main()
{
     Matrix!(2,2) M;
     Vector!2     V;
     assembleMass1D(M, V); /* no error */
}
----