Trait gui::OptionChain

pub trait OptionChain<ES, ED>where
    ES: Into<ChainEvent<ED>>,{
    fn chain<E>(self, event: Option<E>) -> Option<ChainEvent<ED>>
    where
        E: Into<ChainEvent<ED>>;
    fn opt_chain<E>(self, event: E) -> ChainEvent<ED>
    where
        E: Into<ChainEvent<ED>>;
}

A trait for chaining of optional events.

Required Methods

fn chain<E>(self, event: Option<E>) -> Option<ChainEvent<ED>>where
    E: Into<ChainEvent<ED>>,

Chain an optional event with another optional event.

fn opt_chain<E>(self, event: E) -> ChainEvent<ED>where
    E: Into<ChainEvent<ED>>,

Chain an optional event with the given event.

Implementations on Foreign Types

impl<ES, ED> OptionChain<ES, ED> for Option<ES>where
    ES: Into<ChainEvent<ED>>,

fn chain<E>(self, event: Option<E>) -> Option<ChainEvent<ED>>where
    E: Into<ChainEvent<ED>>,

fn opt_chain<E>(self, event: E) -> ChainEvent<ED>where
    E: Into<ChainEvent<ED>>,

Implementors