Function empty 

pub fn empty<M: Monoid>() -> M

The identity element.

Free function version that dispatches to the type class’ associated function.

Type Signature

forall a. Monoid a => () -> a

Type Parameters

• M: The type of the monoid.

Returns

The identity element.

Examples

use fp_library::classes::monoid::empty;
use fp_library::types::string; // Import Monoid impl for String

let x: String = empty();
assert_eq!(x, "".to_string());