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/// Flag
#[derive(Debug, Clone)]
pub struct Flag {
    name: String,
    value: Option<String>
}

impl Flag {
    /// Create a flag
    pub fn new(name: String, value: Option<String>) -> Flag {
        Flag {
            name: name,
            value: value
        }
    }

    /// Get flag value
    pub fn get_value(&self) -> Option<String> {
        self.value.clone()
    }
}