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rust-clippy/tests/ui/redundant_pattern_matching_ipaddr.rs

91 lines
1.7 KiB
Rust

// run-rustfix
#![warn(clippy::all)]
#![warn(clippy::redundant_pattern_matching)]
#![allow(unused_must_use, clippy::needless_bool, clippy::match_like_matches_macro)]
use std::net::{
IpAddr::{self, V4, V6},
Ipv4Addr, Ipv6Addr,
};
fn main() {
let ipaddr: IpAddr = V4(Ipv4Addr::LOCALHOST);
if let V4(_) = &ipaddr {}
if let V4(_) = V4(Ipv4Addr::LOCALHOST) {}
if let V6(_) = V6(Ipv6Addr::LOCALHOST) {}
while let V4(_) = V4(Ipv4Addr::LOCALHOST) {}
while let V6(_) = V6(Ipv6Addr::LOCALHOST) {}
if V4(Ipv4Addr::LOCALHOST).is_ipv4() {}
if V6(Ipv6Addr::LOCALHOST).is_ipv6() {}
if let V4(ipaddr) = V4(Ipv4Addr::LOCALHOST) {
println!("{}", ipaddr);
}
match V4(Ipv4Addr::LOCALHOST) {
V4(_) => true,
V6(_) => false,
};
match V4(Ipv4Addr::LOCALHOST) {
V4(_) => false,
V6(_) => true,
};
match V6(Ipv6Addr::LOCALHOST) {
V4(_) => false,
V6(_) => true,
};
match V6(Ipv6Addr::LOCALHOST) {
V4(_) => true,
V6(_) => false,
};
let _ = if let V4(_) = V4(Ipv4Addr::LOCALHOST) {
true
} else {
false
};
ipaddr_const();
let _ = if let V4(_) = gen_ipaddr() {
1
} else if let V6(_) = gen_ipaddr() {
2
} else {
3
};
}
fn gen_ipaddr() -> IpAddr {
V4(Ipv4Addr::LOCALHOST)
}
const fn ipaddr_const() {
if let V4(_) = V4(Ipv4Addr::LOCALHOST) {}
if let V6(_) = V6(Ipv6Addr::LOCALHOST) {}
while let V4(_) = V4(Ipv4Addr::LOCALHOST) {}
while let V6(_) = V6(Ipv6Addr::LOCALHOST) {}
match V4(Ipv4Addr::LOCALHOST) {
V4(_) => true,
V6(_) => false,
};
match V6(Ipv6Addr::LOCALHOST) {
V4(_) => false,
V6(_) => true,
};
}