Macro o

macro_rules! o {
    ($($args:tt)*) => { ... };
}

Macro for building group of key-value pairs: OwnedKV

#[macro_use]
extern crate slog;

fn main() {
    let drain = slog::Discard;
    let _root = slog::Logger::root(
        drain,
        o!("key1" => "value1", "key2" => "value2")
    );
}