diff options
Diffstat (limited to 'futures')
-rw-r--r-- | futures/src/command.rs | 70 | ||||
-rw-r--r-- | futures/src/lib.rs | 2 |
2 files changed, 0 insertions, 72 deletions
diff --git a/futures/src/command.rs b/futures/src/command.rs deleted file mode 100644 index 3d1ec3f9..00000000 --- a/futures/src/command.rs +++ /dev/null @@ -1,70 +0,0 @@ -/// A set of asynchronous actions to be performed by some runtime. -#[must_use = "`Command` must be returned to runtime to take effect"] -#[derive(Debug)] -pub struct Command<T>(Internal<T>); - -#[derive(Debug)] -enum Internal<T> { - None, - Single(T), - Batch(Vec<T>), -} - -impl<T> Command<T> { - /// Creates an empty [`Command`]. - /// - /// In other words, a [`Command`] that does nothing. - pub const fn none() -> Self { - Self(Internal::None) - } - - /// Creates a [`Command`] that performs a single action. - pub const fn single(action: T) -> Self { - Self(Internal::Single(action)) - } - - /// Creates a [`Command`] that performs the actions of all the given - /// commands. - /// - /// Once this command is run, all the commands will be executed at once. - pub fn batch(commands: impl IntoIterator<Item = Command<T>>) -> Self { - let mut batch = Vec::new(); - - for Command(command) in commands { - match command { - Internal::None => {} - Internal::Single(command) => batch.push(command), - Internal::Batch(commands) => batch.extend(commands), - } - } - - Self(Internal::Batch(batch)) - } - - /// Applies a transformation to the result of a [`Command`]. - pub fn map<A>(self, f: impl Fn(T) -> A) -> Command<A> - where - T: 'static, - { - let Command(command) = self; - - match command { - Internal::None => Command::none(), - Internal::Single(action) => Command::single(f(action)), - Internal::Batch(batch) => { - Command(Internal::Batch(batch.into_iter().map(f).collect())) - } - } - } - - /// Returns all of the actions of the [`Command`]. - pub fn actions(self) -> Vec<T> { - let Command(command) = self; - - match command { - Internal::None => Vec::new(), - Internal::Single(action) => vec![action], - Internal::Batch(batch) => batch, - } - } -} diff --git a/futures/src/lib.rs b/futures/src/lib.rs index 39137de2..397fc2d2 100644 --- a/futures/src/lib.rs +++ b/futures/src/lib.rs @@ -20,7 +20,6 @@ pub use futures; pub use iced_core as core; -mod command; mod maybe_send; mod runtime; @@ -28,7 +27,6 @@ pub mod backend; pub mod executor; pub mod subscription; -pub use command::Command; pub use executor::Executor; pub use maybe_send::MaybeSend; pub use platform::*; |