36 lines
887 B
Rust
36 lines
887 B
Rust
use crate::system;
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use iced_futures::MaybeSend;
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use std::fmt;
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/// An operation to be performed on the system.
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pub enum Action<T> {
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/// Query system information and produce `T` with the result.
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QueryInformation(Box<dyn Fn(system::Information) -> T>),
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}
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impl<T> Action<T> {
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/// Maps the output of a system [`Action`] using the provided closure.
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pub fn map<A>(
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self,
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f: impl Fn(T) -> A + 'static + MaybeSend + Sync,
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) -> Action<A>
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where
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T: 'static,
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{
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match self {
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Self::QueryInformation(o) => {
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Action::QueryInformation(Box::new(move |s| f(o(s))))
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}
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}
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}
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}
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impl<T> fmt::Debug for Action<T> {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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match self {
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Self::QueryInformation(_) => write!(f, "Action::QueryInformation"),
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}
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}
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}
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