DMD1 function template broken or did I f.u.?

0ffh frank at youknow.what.todo.interNETz
Tue Aug 24 08:18:35 PDT 2010


Hi, all!

Try this:

---< snip >---

void remove(T)(out T[] array,T element) {
   int r=0,w=0;
   while (r<array.length) {
     if (array[r]!=element)
       array[w++]=array[r];
     ++r;
   }
   array.length=w;
}

void test() {
   int[] array;
   int element=2;
   //
   array=[1,3,2,2,1,3,1,1,2];
   writef("direct\n");
   writef("  before : ",array,"\n");
   int r=0,w=0;
   while (r<array.length) {
     if (array[r]!=element)
       array[w++]=array[r];
     ++r;
   }
   array.length=w;
   writef("  after  : ",array,"\n");
   //
   array=[1,3,2,2,1,3,1,1,2];
   writef("template\n");
   writef("  before : ",array,"\n");
   remove!(int)(array,element);
   writef("  after  : ",array,"\n");
}

---< snap >---

I get the following output:

direct
   before : [1,3,2,2,1,3,1,1,2]
   after  : [1,3,1,3,1,1]
template
   before : [1,3,2,2,1,3,1,1,2]
   after  : []

So, my question is: Huh?

Kind regards.





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