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What is "optimality", described as one of the three primary goals of the language? Zig is intended to be "optimal" in what dimension?

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From the Documentation page[1]:

> Robust - behavior is correct even for edge cases such as out of memory.

> Optimal - write programs the best way they can behave and perform.

> Maintainable - precisely communicate intent to the compiler and other programmers. The language imposes a low overhead to reading code and is resilient to changing requirements and environments.

[1] https://ziglang.org/documentation/master/

Thanks. Based on that definition of optimal, it sounds like Zig intends to be optimally predictable and performant. Other languages would define "optimality" differently: Python aims to optimize readability, Lisp aims to optimize expressiveness, Erlang aims to optimize availability, and so on. I don't mean to nitpick, but choosing an excessively general term as one of the three primary goals seems like a missed opportunity to focus the Zig language community on specific goals.

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