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

   1 // run-rustfix
   2 #![warn(clippy::all, clippy::redundant_pattern_matching)]
   3 #![allow(unused_must_use)]
   4 #![allow(
   5     clippy::match_like_matches_macro,
   6     clippy::needless_bool,
   7     clippy::uninlined_format_args
   8 )]
   9
  10 use std::net::{
  11     IpAddr::{self, V4, V6},
  12     Ipv4Addr, Ipv6Addr,
  13 };
  14
  15 fn main() {
  16     let ipaddr: IpAddr = V4(Ipv4Addr::LOCALHOST);
  17     if ipaddr.is_ipv4() {}
  18
  19     if V4(Ipv4Addr::LOCALHOST).is_ipv4() {}
  20
  21     if V6(Ipv6Addr::LOCALHOST).is_ipv6() {}
  22
  23     while V4(Ipv4Addr::LOCALHOST).is_ipv4() {}
  24
  25     while V6(Ipv6Addr::LOCALHOST).is_ipv6() {}
  26
  27     if V4(Ipv4Addr::LOCALHOST).is_ipv4() {}
  28
  29     if V6(Ipv6Addr::LOCALHOST).is_ipv6() {}
  30
  31     if let V4(ipaddr) = V4(Ipv4Addr::LOCALHOST) {
  32         println!("{}", ipaddr);
  33     }
  34
  35     V4(Ipv4Addr::LOCALHOST).is_ipv4();
  36
  37     V4(Ipv4Addr::LOCALHOST).is_ipv6();
  38
  39     V6(Ipv6Addr::LOCALHOST).is_ipv6();
  40
  41     V6(Ipv6Addr::LOCALHOST).is_ipv4();
  42
  43     let _ = if V4(Ipv4Addr::LOCALHOST).is_ipv4() {
  44         true
  45     } else {
  46         false
  47     };
  48
  49     ipaddr_const();
  50
  51     let _ = if gen_ipaddr().is_ipv4() {
  52         1
  53     } else if gen_ipaddr().is_ipv6() {
  54         2
  55     } else {
  56         3
  57     };
  58 }
  59
  60 fn gen_ipaddr() -> IpAddr {
  61     V4(Ipv4Addr::LOCALHOST)
  62 }
  63
  64 const fn ipaddr_const() {
  65     if V4(Ipv4Addr::LOCALHOST).is_ipv4() {}
  66
  67     if V6(Ipv6Addr::LOCALHOST).is_ipv6() {}
  68
  69     while V4(Ipv4Addr::LOCALHOST).is_ipv4() {}
  70
  71     while V6(Ipv6Addr::LOCALHOST).is_ipv6() {}
  72
  73     V4(Ipv4Addr::LOCALHOST).is_ipv4();
  74
  75     V6(Ipv6Addr::LOCALHOST).is_ipv6();
  76 }