What we've been (a)waiting for?
summary
Claims coroutines are simple and shows a concrete C++ implementation: a fetch-like API built on libcurl multi API and a small scheduler that runs immediate coroutines so multiple downloads proceed like JavaScript promises. The code uses coroutine promise types, custom promise storage, and a fetch-like API plus promise_all/select helpers; a working search‑engine demo and GitHub repo are published. Coroutines are noted as already standardized (several years old) and the implementation actually runs.
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chapters (16)
- 0:00Introduction
- 1:06JavaScript for prototyping
- 3:34Search engine in JS
- 9:44Async C++ challenges
- 12:43Coroutines vs functions
- 16:20JS vs C++ coroutines
- 18:29Coroutine traits
- 23:03Coroutine handle and promise
- 24:50How coroutines suspend
- 31:11Promise type implementation
- 36:36Immediate vs lazy coroutines
- 39:27Scheduling coroutines for IO
- 43:22Fetching data with coroutines
- 45:30Waiting for multiple coroutines
- 47:41Search engine with coroutines
- 50:09Q&A
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