Re: Question

[Haobo Yu <haoboy@isi.edu>]

> 1: In tcl function always begins with code like following:
>   
> CBQLink instproc init { src dst bw delay q cl {lltype "DelayLink"} } {
>         $self next $src $dst $bw $delay $q $lltype ; # SimpleLink ctor
>         $self instvar head_ queue_ link_
>         $self instvar  classifier_      ; # not found in a SimpleLink
> #       $self instvar  drophead_ ; # not found in a SimpleLink
> 
>         $queue_ link $link_ ; # queue_ set by SimpleLink ctor, CBQ needs
> $link_
>         set classifier_ $cl
> 
> I don't understand what does the variable $self mean, what does next
> mean, I am not clear on instvar either. Does instavar make all the
> private
> variables accessible.

It's otcl, please read the otcl doc included in the otcl distribution.

- Haobo