Re: Does dmd not always compile all of the source code?

[Gary Willoughby via Digitalmars-d-learn]

On Wednesday, 6 December 2017 at 16:47:17 UTC, A Guy With a 
Question wrote:
abstract class Test(T)
{
private:
    T thing;

public:
    this(T theThing)
    {
        thing = theThing;
        thisdoesnotexist(); // expect compiler error right here!!!!
    }
}
...but this compiles just fine.

It's because it's not being used in your program. How can the 
compiler compile it without knowing what T would be?

When you do this:

class Test2
   : Test!int
{
    this(int thing)
    {
        super(thing);
    }
}

You are suppling T and now it is compiled and an error raised.