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[程序员] 你知道 golang 字符串格式化的这个用法吗?也许 90%的人不知道!快来看看这个输出结果是啥?

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go 格式化输出,说说你的结果是啥?😁

fmt.Printf("%[2]d %[1]d\n", 11, 22)
fmt.Printf("%[3]*.[2]*[1]f\n", 12.0, 2, 6)
fmt.Printf("%d %d %#[1]x %#x\n", 16, 17) 

以上是 go 语言格式化输出中的显式参数索引用法。

了解 golang 格式化动词,请阅读全文:Golang 格式化输出完全指南:fmt.Printf 格式化动词用法详解,看这一篇就够了!》

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