busstop 0.2.7

A command and query bus
Documentation 
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use std::any::Any;

use crate::DispatchableCommand;

#[derive(Debug)]
pub struct DispatchedCommand {
    inner: Option<Box<dyn Any + Send + Sync>>,
    pub(crate) handled: bool,
    name: String,
}

impl DispatchedCommand {
    pub(crate) fn new(inner: Box<dyn Any + Send + Sync>, name: &str) -> Self {
        Self {
            inner: Some(inner),
            handled: false,
            name: name.to_string(),
        }
    }

    /// Returns a reference to (the real command)  the dispatched command
    pub fn the_command<T: 'static>(&self) -> Option<&T> {
        if let Some(inner) = &self.inner {
            inner.downcast_ref()
        } else {
            None
        }
    }

    /// Returns a mutable reference to (the real command)  the dispatched command
    pub fn the_command_mut<T: 'static>(&mut self) -> Option<&mut T> {
        if let Some(inner) = &mut self.inner {
            inner.downcast_mut()
        } else {
            None
        }
    }

    /// Returns (the real command)  the dispatched command
    /// Subsequent to this method or `the_command_mut` and `the_command` will returned none
    pub fn take_command<T: 'static>(&mut self) -> Option<Box<T>> {
        if let Some(inner) = self.inner.take() {
            return inner.downcast().ok();
        }
        None
    }

    /// Returns true if the command was handled
    pub fn handled(&self) -> bool {
        self.handled
    }

    /// The type name of the dispatched command
    pub fn name(&self) -> &String {
        &self.name
    }

    /// Compares the dispatched type with "C"
    pub fn is<C>(&self) -> bool {
        std::any::type_name::<C>() == self.name()
    }
}

impl<H: DispatchableCommand + 'static> From<H> for DispatchedCommand {
    fn from(value: H) -> Self {
        Self::new(Box::new(value), std::any::type_name::<H>())
    }
}