package main
import "fmt"
type innerS struct {
in1 int
in2 int
}
type outerS struct {
b int
c float32
int // anonymous field
innerS //anonymous field
}
func main() {
outer := new(outerS)
outer.b = 6
outer.c = 7.5
outer.int = 60
outer.in1 = 5
outer.in2 = 10
fmt.Printf("outer.b is: %d\n", outer.b)
fmt.Printf("outer.c is: %f\n", outer.c)
fmt.Printf("outer.int is: %d\n", outer.int)
fmt.Printf("outer.in1 is: %d\n", outer.in1)
fmt.Printf("outer.in2 is: %d\n", outer.in2)
// 使用结构体字面量
outer2 := outerS{6, 7.5, 60, innerS{5, 10}}
fmt.Printf("outer2 is:", outer2)
}
运行结果如下所示:
outer.b is: 6
outer.c is: 7.500000
outer.int is: 60
outer.in1 is: 5
outer.in2 is: 10
outer2 is:{6 7.5 60 {5 10}}
package main
import "fmt"
type A struct {
ax, ay int
}
type B struct {
A
bx, by float32
}
func main() {
b := B{A{1, 2}, 3.0, 4.0}
fmt.Println(b.ax, b.ay, b.bx, b.by)
fmt.Println(b.A)
}
输出:
1 2 3 4
{1 2}
var c Color c.BasicColor.R = 1 c.BasicColor.G = 1 c.BasicColor.B = 0一个结构体只能嵌入一个同类型的成员,无须担心结构体重名和错误赋值的情况,编译器在发现可能的赋值歧义时会报错。
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