@@ -25,8 +25,7 @@ pub(crate) enum Domain {
2525pub ( crate ) fn do_listen ( listener : RawFd ) -> Result < ( ) > {
2626 if let Err ( e) = fcntl ( listener, FcntlArg :: F_SETFL ( OFlag :: O_NONBLOCK ) ) {
2727 return Err ( Error :: Others ( format ! (
28- "failed to set listener fd: {} as non block: {}" ,
29- listener, e
28+ "failed to set listener fd: {listener} as non block: {e}"
3029 ) ) ) ;
3130 }
3231
@@ -43,7 +42,7 @@ fn parse_sockaddr(addr: &str) -> Result<(Domain, &str)> {
4342 return Ok ( ( Domain :: Vsock , addr) ) ;
4443 }
4544
46- Err ( Error :: Others ( format ! ( "Scheme {:?} is not supported" , addr ) ) )
45+ Err ( Error :: Others ( format ! ( "Scheme {addr :?} is not supported" ) ) )
4746}
4847
4948#[ cfg( not( any( target_os = "linux" , target_os = "android" ) ) ) ]
@@ -57,7 +56,7 @@ fn parse_sockaddr(addr: &str) -> Result<(Domain, &str)> {
5756 return Ok ( ( Domain :: Unix , addr) ) ;
5857 }
5958
60- Err ( Error :: Others ( format ! ( "Scheme {:?} is not supported" , addr ) ) )
59+ Err ( Error :: Others ( format ! ( "Scheme {addr :?} is not supported" ) ) )
6160}
6261
6362#[ cfg( any(
@@ -67,8 +66,7 @@ fn parse_sockaddr(addr: &str) -> Result<(Domain, &str)> {
6766pub ( crate ) fn set_fd_close_exec ( fd : RawFd ) -> Result < RawFd > {
6867 if let Err ( e) = fcntl ( fd, FcntlArg :: F_SETFD ( FdFlag :: FD_CLOEXEC ) ) {
6968 return Err ( Error :: Others ( format ! (
70- "failed to set fd: {} as close-on-exec: {}" ,
71- fd, e
69+ "failed to set fd: {fd} as close-on-exec: {e}"
7270 ) ) ) ;
7371 }
7472 Ok ( fd)
@@ -125,8 +123,7 @@ fn make_socket(addr: (&str, u32)) -> Result<(RawFd, Domain, SockAddr)> {
125123 let sockaddr_port_v: Vec < & str > = sockaddrv. split ( ':' ) . collect ( ) ;
126124 if sockaddr_port_v. len ( ) != 2 {
127125 return Err ( Error :: Others ( format ! (
128- "sockaddr {} is not right for vsock" ,
129- sockaddr
126+ "sockaddr {sockaddr} is not right for vsock"
130127 ) ) ) ;
131128 }
132129 let port: u32 = sockaddr_port_v[ 1 ]
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