May 2025 Archives

Learning XS - What is in my variable

Over the past year, I’ve been self-studying XS and have now decided to share my learning journey through a series of blog posts. This second post introduces the fundamentals of type checking variables in XS.

Learning XS - How to create an object

Over the past year, I’ve been self-studying XS and have now decided to share my learning journey through a series of blog posts. This first post introduces the fundamentals of creating an perl object from XS.

Faster Readonly variables with Const::XS

So, what exactly is a Readonly variable in Perl? A readonly variable is one that, once assigned a value, cannot be changed. Any attempt to modify it will trigger a runtime error. This mechanism enforces immutability, ensuring that critical values remain untouched and are protected from accidental or unauthorised alterations.

About Robert Acock

user-pic I blog about Perl.