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/// Defines a argument.
#[derive(Debug, Clone)]
pub struct Argument {
    identifier: char,
    description: String,
}

impl Argument {
    /// Create a new Argument struct.
    #[inline]
    pub fn new(identifier: char, description: String) -> Argument {
        Argument {
            identifier: identifier,
            description: description,
        }
    }

    /// Get the identifier of the argument.
    #[inline]
    pub fn identifier(&self) -> char {
        self.identifier.clone()
    }

    /// Get the description of the argument.
    #[inline]
    pub fn description(&self) -> String {
        self.description.clone()
    }
}