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B. Beyond the Llama > Dynamic Loading
The basic idea of dynamic loading is that your program decides at runtime that it needs more functionality than what’s currently available, so it loads it up and keeps running. You can always dynamically load Perl code, but it’s even more interesting to dynamically load a binary extension.[423] This is how you make non-Perl modules.
[423] Dynamic loading of binary extensions is generally available if your system supports that. If it doesn’t, you can compile the extensions statically—that is, you can make a Perl binary with the extension built-in, ready for use.
