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use anyhow::bail;
use std::{fmt::Display, str::FromStr};
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum Method {
Register,
Invite,
Ack,
Option,
Cancel,
Bye,
}
impl Display for Method {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.write_str(match self {
Method::Register => "REGISTER",
Method::Invite => "INVITE",
Method::Ack => "ACK",
Method::Option => "OPTION",
Method::Cancel => "CANCEL",
Method::Bye => "BYE",
})
}
}
impl FromStr for Method {
type Err = anyhow::Error;
fn from_str(s: &str) -> Result<Self, Self::Err> {
Ok(match s {
"REGISTER" => Method::Register,
"INVITE" => Method::Invite,
"ACK" => Method::Ack,
"OPTION" => Method::Option,
"CANCEL" => Method::Cancel,
"BYE" => Method::Bye,
_ => bail!("unknown method"),
})
}
}
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