easy way to output a struct?

[Denis Koroskin]

On Thu, 15 Jan 2009 03:04:15 +0300, Hoenir <mrmocool at gmx.de> wrote:

> BCS schrieb:
>> http://codepad.org/Eu16XqFu
>>
>
> Thank you very much, it works like a charm.
> I wrote a small function to log whatever object I pass to it:
>
> void log(T)(T obj)
> {
> 	static if (is(T == struct) || is(T == class))
> 	{
> 		writef("{");
> 		foreach(i,_;obj.tupleof)
> 			writefln("%s : %s,", obj.tupleof[i].stringof[4..$], obj.tupleof[i]);
> 		writefln("}");
> 	}
> 	else
> 	{
> 		writefln(obj);
> 	}
> }
>
> Are there better solutions than this or does it perhaps have any flaws?

One note is that you should probably pass the object by reference:

void log(T)(ref T obj) { ... }        // D1
void log(T)(ref const(T) obj) { ... } // D2