Re: Is it necessary to call make_immutable in parent class?

Justin,

You need to call make_immutable on all classes, as it only affects the  
local class and not the superclasses.

- Stevan

On Nov 4, 2008, at 2:06 PM, Justin Yao wrote:

> Hi,
>
> I am new to Moose and I love this framework.
> I have a question regarding to making class immutable.
> Suppose I have a class hierarchy as below:
>
>          A
>         /
>       B
>     /   \
>    C     D
>
> B is the parent class of C and D.
> A is the parent class of B.
>
> Now I want to make class C immutable.
>
> My question is "when I call C->meta->make_immutable(), does it apply  
> to only the meta class of C or apply to all its parent classes (B,A)  
> but within class C's namespace? In other words, after making class C  
> immutable, will it introspect the structure of Class A and B when I  
> create a new object? Do I need to call make_immutable for class B  
> and A If I want to make Class C immutable?"
>
> Thanks,
> -- 
> Justin Yao
>