Hi:
   I write a template function is below, that need to remove const topmost if has.
    How to do this?

   const int i =3;
   println(i);
  void println(A...)(A a)
    {
        char[20] numStr = void;

        foreach(v ; a) {
            if (is(v.type == byte)  || is(v.type == ubyte) ||
                is(v.type == short) || is(v.type == ushort) ||
                is(v.type == int)   || is(v.type == uint) ||
                is(v.type == long)  || is(v.type == ulong)) {
                //did not wirte const types ... again.

                ulong n = cast(ulong)v;
                bool isNeg = false;
                if (v < 0) {
                    isNeg = true;
                    if (n != 1<<63)
                        n = -v;
                }

                int i=0;
                while(n !=0 ) {
                    numStr[i++] = (n%10) + '0';
                    n/=10;
                }

                if (isNeg)
                    putc('-');

                while (--i >= 0)
                    putc(numStr[i]);
            } else if (is(v.type == char*) || is(v.type == const char*)) {
                puts(v);
            } else if (is(v.type == bool)) {
                 puts(v ? "true":"false");
            } else if (is(v.type == char)) {
                 putc(v);
            } else {
                static assert(false);
            }
        }
    }

On Thursday, 22 August 2019 at 18:50:59 UTC, lili wrote:
> Hi:
>    I write a template function is below, that need to remove const topmost if has.
>     How to do this?


https://dlang.org/phobos/std_traits.html#Unqual