September 2013
Intermediate to advanced
548 pages
12h 25m
English
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Chapter 6Error Handling in Sequential Programs
Erlang was originally designed for programming fault-tolerant systems, systems that in principle should never stop. This means that dealing with errors at runtime is crucially important. We take error handling very seriously in Erlang. When errors occur, we need to detect them, correct them, and continue.
Typical Erlang applications are composed of dozens to millions of concurrent processes. Having large numbers of processes changes how we think about error handling. In a sequential language with only one process, it is crucially important that this process does not crash. If we have large numbers of processes, it is not so important if a process crashes, provided some other process can detect ...
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