turn RCArray asSlice and moveToSlice to templates

Author: 9il

source/mir/rc/array.d

@@ -130,31 +130,31 @@ struct mir_rcarray(T)
  }
 
  ///
- auto asSlice() @property
+ auto asSlice()() @property
  {
  import mir.ndslice.slice: mir_slice;
  alias It = mir_rci!T;
  return mir_slice!It([length], It(this));
  }
 
  ///
- auto asSlice() const @property
+ auto asSlice()() const @property
  {
  import mir.ndslice.slice: mir_slice;
  alias It = mir_rci!(const T);
  return mir_slice!It([length], It(this.lightConst));
  }
 
  ///
- auto asSlice() immutable @property
+ auto asSlice()() immutable @property
  {
  import mir.ndslice.slice: mir_slice;
  alias It = mir_rci!(immutable T);
  return mir_slice!It([length], It(this.lightImmutable));
  }
 
  ///
- auto moveToSlice() @property
+ auto moveToSlice()() @property
  {
  import core.lifetime: move;
  import mir.ndslice.slice: mir_slice;