Lines Matching full:nil
95 if err != nil {
119 if !supportsIPv4 && ip.To4() != nil {
122 if !supportsIPv6 && ip.To16() != nil && ip.To4() == nil {
126 if cip != nil {
127 if !supportsIPv4 && cip.To4() != nil {
130 if !supportsIPv6 && cip.To16() != nil && cip.To4() == nil {
138 // At this point, we prefer IPv4 when ip is nil.
140 if ip.To16() != nil && ip.To4() == nil && cip.To4() != nil { // a pair of IPv6 server and IPv4 client
143 if (ip.To4() != nil || ip == nil) && cip.To16() != nil && cip.To4() == nil { // a pair of IPv4 server and IPv6 client
