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net_util: Implement fmt::Display for MacAddr

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Updated clippy does not like the declaration of a "to_string()" function
and instead requires fmt::Display to be implemented.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2019-09-27 15:20:51 +01:00 committed by Sebastien Boeuf
parent ff1cb11946
commit f63cb85f93
1 changed files with 12 additions and 8 deletions
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20
net_util/src/mac.rs
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@ -6,6 +6,7 @@
// found in the THIRD-PARTY file.
use rand::Rng;
use std::fmt;
use std::result::Result;
use serde::de::{Deserialize, Deserializer, Error};
@ -66,14 +67,6 @@ impl MacAddr {
&self.bytes
}
pub fn to_string(self) -> String {
let b = &self.bytes;
format!(
"{:02x}:{:02x}:{:02x}:{:02x}:{:02x}:{:02x}",
b[0], b[1], b[2], b[3], b[4], b[5]
)
}
pub fn local_random() -> MacAddr {
// Generate a fully random MAC
let mut random_bytes = rand::thread_rng().gen::<[u8; MAC_ADDR_LEN]>();
@ -87,6 +80,17 @@ impl MacAddr {
}
}
impl fmt::Display for MacAddr {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
let b = &self.bytes;
write!(
f,
"{:02x}:{:02x}:{:02x}:{:02x}:{:02x}:{:02x}",
b[0], b[1], b[2], b[3], b[4], b[5]
)
}
}
impl Serialize for MacAddr {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where