tasc 0.2.0

A minimnal, asynchronous threadpool
Documentation 
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use core::future::Future;

use crate::com;

/// The trait implemented by the context.
///
/// This trait is used by `[TaskBuilder]` to create new tasks, as well as to increase the capacity of workers.
/// This trait is not object safe.
pub trait TaskContext {
    /// Sets the amount of concurrent workers. The amount of workers  can only ever increase.
    /// If you set the limit, then set it again to a lower limit, the limit will not change.
    fn set_workers(&self, max: usize) -> impl Future<Output = ()>;

    /// Gets the current amount of workers used by the context.
    fn workers(&self) -> usize;

    /// Creates an asynchronous task used by handle traits inside of `task`.
    fn create_task(&self, f: com::TaskFn) -> impl Future<Output = com::ComHandle>;
}