package main import "fmt" import "math" func main() { const i = 1 f := 1.2 fmt.Println("a", i, f) a := "aaa" b := "bbb" c := a + b var d []string var e = append(d, a, b) fmt.Println(c) fmt.Println(e) var x = 1.0 / 2 fmt.Println(x) var k = 0 / 2 //没出异常 fmt.Println(k) fmt.Println(math.IsNaN(f)) } a 1 1.2 aaabbb [aaa bbb] 0.5 0 false
go基本数据类型
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