calloop | A callback-based Event Loop | Reactive Programming library
kandi X-RAY | calloop Summary
kandi X-RAY | calloop Summary
Calloop, a Callback-based Event Loop. This crate provides an EventLoop type, which is a small abstraction over a polling system. The main difference between this crate and other traditional rust event loops is that it is based on callbacks: you can register several event sources, each being associated with a callback closure that will be invoked whenever the associated event source generates events. The main target use of this event loop is thus for apps that expect to spend most of their time waiting for events and wishes to do so in a cheap and convenient way. It is not meant for large scale high performance IO.
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calloop Key Features
calloop Examples and Code Snippets
use calloop::{timer::Timer, EventLoop, LoopSignal};
fn main() {
// Create the event loop. The loop is parameterised by the kind of shared
// data you want the callbacks to use. In this case, we want to be able to
// stop the loop when th
Community Discussions
Trending Discussions on calloop
QUESTION
I am writing a program which uses a list to store Employee data, following SOLID principlce i am try to move as much functionaity out of the main class into their own classes. I have a repository class which sets out the inital list values as well as contains read and create methods to access and edit the list. my issue is that my new class cannot access anything subsequently added to the list and only sees the intail data presant on boot.
Here is my Repo Class:
...ANSWER
Answered 2021-Oct-26 at 12:20private List myEmployeeData = new List()
is private
... change it to protected
so that inherited classes can access it.
QUESTION
I am trying to write a function that adds a callback function to Calloop's event loop. The code works fine if it is simply pasted into a function where the function parameters are all in scope and on the stack. Pulling it out into a function results in lifetime problems.
This is as much as I could simplify the code before having to get into Calloop's internals (which are a bit beyond me as a beginner):
...ANSWER
Answered 2021-Feb-04 at 17:00Rustc wasn't being very helpful with this, but what I found is that LoopHandle
is parametrized with a lifetime, and since the handle takes ownership of the passed in FnMut
the FnMut
must outlive the LoopHandle
. Once that's figured out, annotating the correct lifetime is pretty easy:
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Vulnerabilities
No vulnerabilities reported
Install calloop
Rust is installed and managed by the rustup tool. Rust has a 6-week rapid release process and supports a great number of platforms, so there are many builds of Rust available at any time. Please refer rust-lang.org for more information.
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