A “prelude” module which re-exports all the extension traits for the simple library usage.
pub use crate::default::*;
pub use crate::duration::*;
pub use crate::num::float_convert::*;
pub use crate::num::integer::*;
pub use crate::option::*;
pub use crate::result::*;
pub use crate::str::*;
pub use crate::sync::mutex::*;
pub use crate::sync::rw_lock::*;
pub use crate::vec::*;