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https://github.com/crazybber/awesome-patterns.git
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41 lines
722 B
Go
41 lines
722 B
Go
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package basic
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import (
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"fmt"
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"testing"
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)
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func TestPrintAddress(t *testing.T) {
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var a int
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fmt.Printf("%T, %v, %p \n", a, a, &a)
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passByVariable(a)
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passByPointer(&a)
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}
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func passByVariable(a int) {
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fmt.Printf("%T, %v, %p \n", a, a, &a)
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}
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func passByPointer(a *int) {
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fmt.Printf("%T, %v, %p \n", a, a, &a)
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fmt.Printf("%T, %v, %p \n", *a, *a, &*a)
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}
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type robot struct{}
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func TestStructAddress(t *testing.T) {
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var a robot
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fmt.Printf("%T, %v, %p \n", a, a, &a)
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passStructByVariable(a)
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passStructByPointer(&a)
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}
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func passStructByVariable(a robot) {
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fmt.Printf("%T, %v, %p \n", a, a, &a)
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}
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func passStructByPointer(a *robot) {
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fmt.Printf("%T, %v, %p \n", a, a, &a)
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fmt.Printf("%T, %v, %p \n", *a, *a, &*a)
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}
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