11 pub fn ip_mask_to_prefix(mask: IpAddr) -> Result<u8, PrefixLenError> {  in ip_mask_to_prefix()
12     match mask {  in ip_mask_to_prefix()
13         IpAddr::V4(mask) => ipv4_mask_to_prefix(mask),  in ip_mask_to_prefix()
14         IpAddr::V6(mask) => ipv6_mask_to_prefix(mask),  in ip_mask_to_prefix()
22 pub fn ipv4_mask_to_prefix(mask: Ipv4Addr) -> Result<u8, PrefixLenError> {  in ipv4_mask_to_prefix()
23     let mask = u32::from(mask);  in ipv4_mask_to_prefix()  localVariable
25     let prefix = mask.leading_ones();  in ipv4_mask_to_prefix()
26     if mask.checked_shl(prefix).unwrap_or(0) == 0 {  in ipv4_mask_to_prefix()
37 pub fn ipv6_mask_to_prefix(mask: Ipv6Addr) -> Result<u8, PrefixLenError> {  in ipv6_mask_to_prefix()
38     let mask = u128::from(mask);  in ipv6_mask_to_prefix()  localVariable
40     let prefix = mask.leading_ones();  in ipv6_mask_to_prefix()
41     if mask.checked_shl(prefix).unwrap_or(0) == 0 {  in ipv6_mask_to_prefix()
55         let mask = Ipv4Addr::new(255, 255, 255, 128);  in v4_mask_to_prefix()  localVariable
56         let prefix = ipv4_mask_to_prefix(mask);  in v4_mask_to_prefix()
62         let mask = Ipv4Addr::from(u32::MAX);  in v4_mask_to_prefix_max()  localVariable
63         let prefix = ipv4_mask_to_prefix(mask);  in v4_mask_to_prefix_max()
69         let mask = Ipv4Addr::new(255, 0, 255, 0);  in invalid_v4_mask_to_prefix()  localVariable
70         let prefix = ipv4_mask_to_prefix(mask);  in invalid_v4_mask_to_prefix()
79             let mask = Ipv4Addr::new(255, 0, 0, 0);  in ipv4net_with_netmask()  localVariable
80             let net = Ipv4Net::with_netmask(addr, mask).unwrap();  in ipv4net_with_netmask()
87             let mask = Ipv4Addr::new(255, 0, 255, 0);  in ipv4net_with_netmask()  localVariable
88             Ipv4Net::with_netmask(addr, mask).unwrap_err();  in ipv4net_with_netmask()
94         let mask = Ipv6Addr::new(0xffff, 0xffff, 0xffff, 0, 0, 0, 0, 0);  in v6_mask_to_prefix()  localVariable
95         let prefix = ipv6_mask_to_prefix(mask);  in v6_mask_to_prefix()
101         let mask = Ipv6Addr::from(u128::MAX);  in v6_mask_to_prefix_max()  localVariable
102         let prefix = ipv6_mask_to_prefix(mask);  in v6_mask_to_prefix_max()
108         let mask = Ipv6Addr::new(0, 0, 0xffff, 0xffff, 0, 0, 0, 0);  in invalid_v6_mask_to_prefix()  localVariable
109         let prefix = ipv6_mask_to_prefix(mask);  in invalid_v6_mask_to_prefix()
118             let mask = Ipv6Addr::new(0xffff, 0xffff, 0xffff, 0, 0, 0, 0, 0);  in ipv6net_with_netmask()  localVariable
119             let net = Ipv6Net::with_netmask(addr, mask).unwrap();  in ipv6net_with_netmask()
127             let mask = Ipv6Addr::new(0, 0, 0xffff, 0xffff, 0, 0, 0, 0);  in ipv6net_with_netmask()  localVariable
128             Ipv6Net::with_netmask(addr, mask).unwrap_err();  in ipv6net_with_netmask()