Questions tagged [async]
For questions about the implementation of asynchronous functions or methods in a programming language, including syntax and functionality.
10 questions
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Is there something better than async in order to avoid dead or unused processing times in single thread?
I recently read about PHP's true async RFC.
The initial real life "picture" (unrelated to PHP or sync processing) that I imagined was a waiter in a restaurant. He/She/It works async, taking ...
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Alternatives for stackless async I/O implementation?
I find it interesting to have stackless asynchronous I/O, e.g. when using an HTTP-client in the code, the call-stack get emptied before handling next "event" (could be unrelated or the ...
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What does it mean that a language has an "effect system"?
I struggle to get the thing about "algebraic effect systems". What is it really about? Is it mostly about that functions doing IO (e.g. http request) should have that IO-operation visible in ...
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Async Implementation
I have recently been making my own programming language and I am finding most concepts easy to understand, however I'm not sure how to implement async/await in my language.
ATM, I'm using C# to create ...
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Why can many languages' futures not be canceled?
I noticed that many languages' built-in asynchronous Future cannot be canceled once called.
Although many third-party libraries provide this ability, it is not ...
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Can I use monadic types without needing colored functions?
The inspiration for this question
There are many advantages of using monadic types like Promise<T> or Result<T> as ...
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Built-In Asynchronous Loops (Not Functions) - Do they / could they exist?
When writing a game's event loop, I always rely on a function from an external library, like draw() in ProcessingJS for ...
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How can task-local variables be implemented?
In some languages, async/await can be simply transformed into callbacks, as if it were syntactical sugar:
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Must async functions always be marked as such?
In a lot of modern languages (such as Python), asynchronous functions (those that return coroutines) must be explicitly marked as such:
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What are some options for syntax for async/await?
Some languages, such as JS and Rust, make a distinction between normal/synchronous functions and async ones. An async function ...
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