Code security: "auto" / Reason for errors

[Adam D. Ruppe via Digitalmars-d]

On Wednesday, 2 March 2016 at 19:42:02 UTC, Ozan wrote:
> I despair of "auto var1 = var2"for arrays. Isn't it a open door 
> for errors. Example
> 	int[] a;
> 	foreach(i; 0..10) a ~= i;
> 	auto b = a; // correct dlang coding: auto b = a.dup;

It'd do exactly the same thing if you wrote

int[] b = a;

so the auto changes nothing there. Generally, the slice 
assignment is a good thing because it gives you easy efficiency 
and doesn't hide the costs of a duplicate.