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

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