学习笔记备份提交

src/learn/geometry/main.go

@@ -2,7 +2,7 @@ package main
 
 import (
 	"fmt"
-	"./geometry"
+	"goUtils/learn/geometry/geometry"
 )
 
 func main() {
@@ -10,7 +10,7 @@ func main() {
 	q := geometry.Point{4, 6}
 	fmt.Println(geometry.Distance(p, q))
 	fmt.Println(p.Distance(q))
-	perim := geometry.Path{{1,1}, {5,1}, {5,4}, {1,1}}
+	perim := geometry.Path{{1, 1}, {5, 1}, {5, 4}, {1, 1}}
 	fmt.Println(perim.Distance())
 
 	pptr := &geometry.Point{7, 7}

src/learn/interface/main.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"goUtils/learn/interface/multiInter"
+)
+
+type T struct{}
+
+func (T) M1() { println("IMY******* M1") }
+func (T) M2() { println("IMY******* M2") }
+
+func f1(i multiInter.I1) { i.M1() }
+func f2(i multiInter.I2) { i.M2() }
+func main() {
+	t := T{}
+	f1(t)
+	f2(t)
+}

src/learn/interface/multiInter/inter1.go

@@ -0,0 +1,5 @@
+package multiInter
+
+type I1 interface {
+	M1()
+}

src/learn/interface/multiInter/inter2.go

@@ -0,0 +1,5 @@
+package multiInter
+
+type I2 interface {
+	M2()
+}