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> there is no question that type safety matters for building and maintaining large-scale distributed systems in the enterprise.

Some of the largest-scale enterprise distributed systems, as in, at the telecoms level, are written in erlang, which is dynamically typed, and highly reliable.



Aren't Erlang variables immutable by default? I find that makes a huge difference to the reliability of a program.


If I had to choose between immutable and dynamic versus mutable and static, I will pick immutable and dynamic.


> Aren't Erlang variables immutable by default?

All Erlang variables are immutable; it's not just a default.




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