go - golang 编译器是否使用常量折叠？

Question

只是想知道“go”编译器是否使用任何类型的优化，例如常量折叠。

https://en.wikipedia.org/wiki/Constant_folding

通过谷歌搜索但找不到我正在寻找的答案。

Answer 1

Constant folding - Wikipedia

Constant folding is the process of recognizing and evaluating constant expressions at compile time rather than computing them at runtime.

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The Go Programming Language Specification

Constant expressions

Constant expressions may contain only constant operands and are evaluated at compile time.

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Package big

import "math/big"

Package big implements arbitrary-precision arithmetic (big numbers).

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Go 常量表达式在编译时进行评估。 Go gc 编译器，用 Go 编写，使用包 big 来评估数字常量表达式。