Trait Plus 

pub trait Plus: Alt {
    // Required method
    fn zero<A>() -> Self::Of<A>;
}

Plus: an Alt with a zero/empty element.

Laws:

• Left identity: alt(zero(), a) == a
• Right identity: alt(a, zero()) == a
• Annihilation: fmap(f, zero()) == zero()

Required Methods

fn zero<A>() -> Self::Of<A>

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl Plus for OptionF

impl Plus for VecF

Available on crate features alloc or std only.