test(go): 添加 errors.AsType、net 及手机号正则匹配测试

go/testing/net/net_test.go

@@ -0,0 +1,18 @@
+package net
+
+import (
+	"net"
+	"testing"
+)
+
+func TestNet(t *testing.T) {
+	s := net.JoinHostPort("127.0.0.1", "8080")
+
+	t.Log(s)
+	t.Log(s)
+	addrs, err := net.LookupAddr("198.18.0.18")
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log(addrs)
+}