What if you could write asynchronous code that looks completely sequential? Discover how coroutines, a 60-year-old concept, finally solve callback hell.
#1about 1 minute
Celebrating the 60-year history of coroutines
Coroutines were first introduced 60 years ago by Melvin Conway in his work on a COBOL compiler to optimize its structure.
#2about 7 minutes
How coroutines suspend and resume using state machines
Unlike regular functions, coroutines can suspend their execution and resume later, a process managed internally by a state machine.
#3about 4 minutes
Comparing stackful and stackless coroutine models
Stackful coroutines have their own dedicated stack and can suspend from nested functions, while stackless coroutines save their state on the heap.
#4about 7 minutes
Exploring symmetric and asymmetric coroutine control flow
Asymmetric coroutines return control to their caller upon suspension, whereas symmetric coroutines can transfer control directly to another coroutine.
#5about 7 minutes
How coroutines fit into modern threading models
Coroutines function as lightweight user-level threads that are managed within a process, making them more memory-efficient than kernel threads.
#6about 5 minutes
Using coroutines to write linear asynchronous code
Modern languages use coroutines with async/await syntax to transform nested callbacks into linear, more readable code for I/O-bound operations.
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