Edition2015,
/// The 2018 edition
Edition2018,
+ /// The 2021 ediiton
+ Edition2021,
}
// Must be in order from oldest to newest.
-pub const ALL_EDITIONS: &[Edition] = &[Edition::Edition2015, Edition::Edition2018];
+pub const ALL_EDITIONS: &[Edition] =
+ &[Edition::Edition2015, Edition::Edition2018, Edition::Edition2021];
-pub const EDITION_NAME_LIST: &str = "2015|2018";
+pub const EDITION_NAME_LIST: &str = "2015|2018|2021";
pub const DEFAULT_EDITION: Edition = Edition::Edition2015;
+pub const LATEST_STABLE_EDITION: Edition = Edition::Edition2018;
+
impl fmt::Display for Edition {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let s = match *self {
Edition::Edition2015 => "2015",
Edition::Edition2018 => "2018",
+ Edition::Edition2021 => "2021",
};
write!(f, "{}", s)
}
match *self {
Edition::Edition2015 => "rust_2015_compatibility",
Edition::Edition2018 => "rust_2018_compatibility",
+ Edition::Edition2021 => "rust_2021_compatibility",
}
}
match *self {
Edition::Edition2015 => sym::rust_2015_preview,
Edition::Edition2018 => sym::rust_2018_preview,
+ Edition::Edition2021 => sym::rust_2021_preview,
}
}
match *self {
Edition::Edition2015 => true,
Edition::Edition2018 => true,
+ Edition::Edition2021 => false,
}
}
}
match s {
"2015" => Ok(Edition::Edition2015),
"2018" => Ok(Edition::Edition2018),
+ "2021" => Ok(Edition::Edition2021),
_ => Err(()),
}
}