dtja73027 2019-01-26 19:03
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为什么io.EOF不是常数?

I was rather surprised that io.EOF is not declared a constant, but an exported variable. Although not a big deal, this subjects it to unintended reassignment. Why not declare it a constant? Is this because constants in Go are rather unusual?

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  • dongmei2957 2019-01-27 18:58
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    Indeed, Go is very specific when it comes to constants. The language does not offer freezing a variable into something immutable. It won't compile: https://play.golang.org/p/s_HjtJl0QP6.

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