初始化捏

pasture/dog.go

@@ -0,0 +1,21 @@
+package pasture
+
+type Dog struct {
+	lines  string
+	weapon string
+}
+
+func (d *Dog) Sound() string {
+	return d.lines
+}
+
+func (d *Dog) Dangers() bool {
+	if len(d.weapon) == 0 {
+		return false
+	}
+	return true
+}
+
+func NewDog(line string) *Dog {
+	return &Dog{lines: line}
+}

pasture/sheep.go

@@ -0,0 +1,13 @@
+package pasture
+
+type Sheep struct {
+	lines string
+}
+
+func (s *Sheep) Sound() string {
+	return s.lines
+}
+
+func NewSheep(line string) *Sheep {
+	return &Sheep{lines: line}
+}