pub fn parse_log_level_filter(s: &str) -> Result<LevelFilter> {
    lazy_static! {
        static ref STRING_MAPPING: HashMap<String, LevelFilter> = {
            let mut m = HashMap::new();
            m.insert(
                LevelFilter::Off.to_string().to_lowercase(),
                LevelFilter::Off,
            );
            m.insert(
                LevelFilter::Error.to_string().to_lowercase(),
                LevelFilter::Error,
            );
            m.insert(
                LevelFilter::Warn.to_string().to_lowercase(),
                LevelFilter::Warn,
            );
            m.insert(
                LevelFilter::Info.to_string().to_lowercase(),
                LevelFilter::Info,
            );
            m.insert(
                LevelFilter::Debug.to_string().to_lowercase(),
                LevelFilter::Debug,
            );
            m.insert(
                LevelFilter::Trace.to_string().to_lowercase(),
                LevelFilter::Trace,
            );
            m
        };
    }

    let normalized = s.trim().to_lowercase();
    match STRING_MAPPING.get(&normalized) {
        None => {
            return Err(Error::InvalidArgument(format!(
                "invalid LevelFilter '{}'",
                s
            )));
        }
        Some(f) => Ok(*f),
    }
}
/// This is a utility function which provides a way to parse a log::LevelFilter
/// from a string. Upstream doesn't impl FromStr for this type, so this extra
/// utility is necessary.
This is a utility function which provides a way to parse a log::LevelFilter
from a string. Upstream doesn't impl FromStr for this type, so this extra
utility is necessary.
This is a utility function which provides a way to parse a log :: LevelFilter from a string . Upstream doesn ' t impl FromStr for this type so this extra utility is necessary .
pub fn parse_log_level_filter(s: &str) -> Result<LevelFilter> {
    lazy_static! {
        static ref STRING_MAPPING: HashMap<String, LevelFilter> = {
            let mut m = HashMap::new();
            m.insert(
                LevelFilter::Off.to_string().to_lowercase(),
                LevelFilter::Off,
            );
            m.insert(
                LevelFilter::Error.to_string().to_lowercase(),
                LevelFilter::Error,
            );
            m.insert(
                LevelFilter::Warn.to_string().to_lowercase(),
                LevelFilter::Warn,
            );
            m.insert(
                LevelFilter::Info.to_string().to_lowercase(),
                LevelFilter::Info,
            );
            m.insert(
                LevelFilter::Debug.to_string().to_lowercase(),
                LevelFilter::Debug,
            );
            m.insert(
                LevelFilter::Trace.to_string().to_lowercase(),
                LevelFilter::Trace,
            );
            m
        };
    }
    let normalized = s.trim().to_lowercase();
    match STRING_MAPPING.get(&normalized) {
        None => {
            return Err(Error::InvalidArgument(format!(
                "invalid LevelFilter '{}'",
                s
            )));
        }
        Some(f) => Ok(*f),
    }
}
pub fn parse_log_level_filter ( s : & str ) -> Result < LevelFilter > { lazy_static ! { static ref STRING_MAPPING HashMap String LevelFilter { let mut m HashMap new ( ) m insert ( LevelFilter Off to_string ( ) to_lowercase ( ) LevelFilter Off ) m insert ( LevelFilter Error to_string ( ) to_lowercase ( ) LevelFilter Error ) m insert ( LevelFilter Warn to_string ( ) to_lowercase ( ) LevelFilter Warn ) m insert ( LevelFilter Info to_string ( ) to_lowercase ( ) LevelFilter Info ) m insert ( LevelFilter Debug to_string ( ) to_lowercase ( ) LevelFilter Debug ) m insert ( LevelFilter Trace to_string ( ) to_lowercase ( ) LevelFilter Trace ) m } } let normalized = s . trim ( ) . to_lowercase ( ) ; match STRING_MAPPING . get ( & normalized ) { None => { return Err ( Error :: InvalidArgument ( format ! ( " " s ) ) ) ; } Some ( f ) => Ok ( * f ) , } }
This is a utility function which provides a way to parse a log::LevelFilter
from a string.
This is a utility function which provides a way to parse a log :: LevelFilter from a string .
s
&str
s
&str