mongodb 0.9.1

The official MongoDB driver for Rust (currently in alpha)
Documentation 
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#[cfg(test)]
mod test;

use bson::{bson, doc};

use crate::{
    cmap::{Command, CommandResponse, StreamDescription},
    error::Result,
    operation::{append_options, Operation, WriteConcernOnlyBody},
    options::DropDatabaseOptions,
};

#[derive(Debug)]
pub(crate) struct DropDatabase {
    target_db: String,
    options: Option<DropDatabaseOptions>,
}

impl DropDatabase {
    #[cfg(test)]
    fn empty() -> Self {
        Self::new(String::new(), None)
    }

    pub(crate) fn new(target_db: String, options: Option<DropDatabaseOptions>) -> Self {
        Self { target_db, options }
    }
}

impl Operation for DropDatabase {
    type O = ();
    const NAME: &'static str = "dropDatabase";

    fn build(&self, description: &StreamDescription) -> Result<Command> {
        let mut body = doc! {
            Self::NAME: 1,
        };

        append_options(&mut body, self.options.as_ref())?;

        Ok(Command::new(
            Self::NAME.to_string(),
            self.target_db.clone(),
            body,
        ))
    }

    fn handle_response(&self, response: CommandResponse) -> Result<Self::O> {
        response.body::<WriteConcernOnlyBody>()?.validate()
    }
}