Comments on nothingmuch's perl blog: PL_runops

I would be probably more inclined to make this stu...

2009-07-07T23:20:33.985+03:00

I would be probably more inclined to make this stuff into smaller chunks of actual core docs in the long term.

I will try to link when there is something a little more coherent than a bulleted list as a possible context, this series has a linear progression in mind =)

Think about linking to your documentation work fro...

2009-07-07T07:37:10.301+03:00

Think about linking to your documentation work from http://www.perlfoundation.org/perl5/. By the way, my self-imposed task is cleaning up http://perldesignpatterns.com/?PerlAssembly and merging it into http://www.perlfoundation.org/perl5/index.cgi?optree_guts . And chipdude's git-wiki thing should probably be linked to the perlfoundation wiki... oh, what a tangled web we weave when first we fork a wiki...

In an expression like $x ||= foo() the container f...

2009-07-02T00:51:23.796+03:00

In an expression like $x ||= foo() the container for $x remains on the stack and the op_other branch will eventually lead to an assignment to $x.

Try reading through:

perl -MO=Concise -e '$x ||= 3'

(And thanks to Vincent Pit for explaining on IRC)

Why does pp_or only --SP if PL_op->op_type == OP_O...

2009-07-02T00:27:32.862+03:00

Why does pp_or only --SP if PL_op->op_type == OP_OR? Why would it get called at all if op_type isn't OP_OR?