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use core::fmt::{self, Display, Formatter};
#[derive(Debug, PartialEq, Eq)]
pub enum PreRelease {
Alpha,
Beta,
RC,
Other,
}
impl PreRelease {
pub (crate) fn parse<S>(parsed_pre_release: S) -> Self where S: AsRef<str> {
let parsed_pre_release = parsed_pre_release.as_ref();
let parsed_pre_release = parsed_pre_release.to_lowercase();
if parsed_pre_release.starts_with("alpha") {
return PreRelease::Alpha;
} else if parsed_pre_release.starts_with("beta") {
return PreRelease::Beta;
} else if parsed_pre_release.starts_with("rc") {
return PreRelease::RC;
}
PreRelease::Other
}
}
impl Display for PreRelease {
fn fmt(&self, f: &mut Formatter) -> Result<(), fmt::Error> {
f.write_str(match self {
PreRelease::Alpha => "alpha",
PreRelease::Beta => "beta",
PreRelease::RC => "rc",
PreRelease::Other => "other",
})
}
}