Variadic functions: How to pass another variadic function the variadic args?

[Ali Çehreli]

On 08/03/2013 07:58 AM, bearophile wrote:

 > Gabi:
 >
 >>   //HOW TO pass F1(..) the args we were called with ?
 >
 >
 > import std.stdio;
 >
 > void f1(Args...)(Args args) {
 >      foreach (arg; args)
 >          arg.writeln;

Would you expect the following two lines behave the same?

     writeln(args);
     writefln("%s", args);

Apparently not:

10hello1.5
10

Why?

 > }
 >
 > void f2(Args...)(Args args) {
 >      f1(args);
 > }
 >
 > void main() {
 >      f2(10, "hello", 1.5);
 > }
 >
 >
 > Bye,
 > bearophile

Ali