diff options
Diffstat (limited to 'src/lib.rs')
| -rw-r--r-- | src/lib.rs | 12 |
1 files changed, 10 insertions, 2 deletions
@@ -456,8 +456,16 @@ //! } //! ``` //! -//! Functor methods like [`Task::map`], [`Element::map`], and [`Subscription::map`] make this -//! approach seamless. +//! The `update` method of a screen can return an `Action` enum that can be leveraged by the parent to +//! execute a task or transition to a completely different screen altogether. The variants of `Action` can +//! have associated data. For instance, in the example above, the `Conversation` screen is created when +//! `Contacts::update` returns an `Action::Chat` with the selected contact. +//! +//! Effectively, this approach lets you "tell a story" to connect different screens together in a type safe +//! way. +//! +//! Furthermore, functor methods like [`Task::map`], [`Element::map`], and [`Subscription::map`] make composition +//! seamless. #![doc( html_logo_url = "https://raw.githubusercontent.com/iced-rs/iced/bdf0430880f5c29443f5f0a0ae4895866dfef4c6/docs/logo.svg" )] |