logger2 0.1.5

A modern, feature-rich replacement for the classic `logger` CLI: syslog (local/remote, RFC3164 & RFC5424), truecolor hex output, emoji, JSON, and a fully configurable TOML config file.
Documentation 
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use thiserror::Error;

/// All errors that logger2 can produce.
#[derive(Debug, Error)]
pub enum Logger2Error {
    #[error("invalid hex color '{0}': expected format #RRGGBB or #RGB")]
    InvalidColor(String),

    #[error("invalid priority '{0}': expected 'facility.level' (e.g. user.notice)")]
    InvalidPriority(String),

    #[error("unknown facility '{0}'")]
    UnknownFacility(String),

    #[error("unknown severity/level '{0}'")]
    UnknownLevel(String),

    #[error("invalid key=value pair '{0}'")]
    InvalidKeyValue(String),

    #[error("message too large: {0} bytes (max {1})")]
    MessageTooLarge(usize, usize),

    #[error("no message provided (pass a message argument, --file, or pipe to stdin)")]
    NoMessage,

    #[error("config error: {0}")]
    Config(String),

    #[error("local syslog is not supported on this platform: {0}")]
    UnsupportedPlatform(String),

    #[error("network error while sending to {0}: {1}")]
    Network(String, std::io::Error),

    #[error(transparent)]
    Io(#[from] std::io::Error),

    #[error(transparent)]
    Toml(#[from] toml::de::Error),

    #[error(transparent)]
    TomlSer(#[from] toml::ser::Error),

    #[error(transparent)]
    Json(#[from] serde_json::Error),
}

pub type Result<T> = std::result::Result<T, Logger2Error>;