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This is just a quick macro to minimize the amount of maps you do with rust-mysql-simple (shoutout to an amazing library by)

from this: rust let result = connection.prep_exec( "SELECT id, email, password FROM users WHERE email = :email", mysql::params! { "email" => username } ).map(|result| { result .map(|x| x.unwrap()) .map(|row| { let (id, email, password) = mysql::from_row(row); User { id, email, password } }) .collect() }); to this: rust let result = crate::mysql_query!(connection, "SELECT id, email, password FROM users WHERE email = :email", mysql::params!( "email" => username ), |(id, email, password)| { User { id, email, password } } );