src/tools/clippy/tests/ui/redundant_pattern_matching_ipaddr.fixed

   1 #![warn(clippy::all, clippy::redundant_pattern_matching)]
   2 #![allow(unused_must_use)]
   3 #![allow(
   4     clippy::match_like_matches_macro,
   5     clippy::needless_bool,
   6     clippy::needless_if,
   7     clippy::uninlined_format_args
   8 )]
   9
  10 use std::net::IpAddr::{self, V4, V6};
  11 use std::net::{Ipv4Addr, Ipv6Addr};
  12
  13 fn main() {
  14     let ipaddr: IpAddr = V4(Ipv4Addr::LOCALHOST);
  15     if ipaddr.is_ipv4() {}
  16
  17     if V4(Ipv4Addr::LOCALHOST).is_ipv4() {}
  18
  19     if V6(Ipv6Addr::LOCALHOST).is_ipv6() {}
  20
  21     while V4(Ipv4Addr::LOCALHOST).is_ipv4() {}
  22
  23     while V6(Ipv6Addr::LOCALHOST).is_ipv6() {}
  24
  25     if V4(Ipv4Addr::LOCALHOST).is_ipv4() {}
  26
  27     if V6(Ipv6Addr::LOCALHOST).is_ipv6() {}
  28
  29     if let V4(ipaddr) = V4(Ipv4Addr::LOCALHOST) {
  30         println!("{}", ipaddr);
  31     }
  32
  33     V4(Ipv4Addr::LOCALHOST).is_ipv4();
  34
  35     V4(Ipv4Addr::LOCALHOST).is_ipv6();
  36
  37     V6(Ipv6Addr::LOCALHOST).is_ipv6();
  38
  39     V6(Ipv6Addr::LOCALHOST).is_ipv4();
  40
  41     let _ = if V4(Ipv4Addr::LOCALHOST).is_ipv4() {
  42         true
  43     } else {
  44         false
  45     };
  46
  47     ipaddr_const();
  48
  49     let _ = if gen_ipaddr().is_ipv4() {
  50         1
  51     } else if gen_ipaddr().is_ipv6() {
  52         2
  53     } else {
  54         3
  55     };
  56 }
  57
  58 fn gen_ipaddr() -> IpAddr {
  59     V4(Ipv4Addr::LOCALHOST)
  60 }
  61
  62 const fn ipaddr_const() {
  63     if V4(Ipv4Addr::LOCALHOST).is_ipv4() {}
  64
  65     if V6(Ipv6Addr::LOCALHOST).is_ipv6() {}
  66
  67     while V4(Ipv4Addr::LOCALHOST).is_ipv4() {}
  68
  69     while V6(Ipv6Addr::LOCALHOST).is_ipv6() {}
  70
  71     V4(Ipv4Addr::LOCALHOST).is_ipv4();
  72
  73     V6(Ipv6Addr::LOCALHOST).is_ipv6();
  74 }