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pub mod flag;
pub use self::flag::Flags;

mod input;
pub use self::input::Input;

mod output;
pub use self::output::Output;

mod iter;
pub use self::iter::Iter;

pub enum Format {
    Input(Input),
    Output(Output),
}

impl Format {
    pub fn name(&self) -> &str {
        match *self {
            Format::Input(ref f) => f.name(),
            Format::Output(ref f) => f.name(),
        }
    }

    pub fn description(&self) -> &str {
        match *self {
            Format::Input(ref f) => f.description(),
            Format::Output(ref f) => f.description(),
        }
    }

    pub fn extensions(&self) -> Vec<&str> {
        match *self {
            Format::Input(ref f) => f.extensions(),
            Format::Output(ref f) => f.extensions(),
        }
    }

    pub fn mime_types(&self) -> Vec<&str> {
        match *self {
            Format::Input(ref f) => f.mime_types(),
            Format::Output(ref f) => f.mime_types(),
        }
    }
}

pub fn list() -> Iter {
    Iter::new()
}