Tutorial by Topics: futures

futures-rs is a library that implements zero-cost futures and streams in Rust.

The core concepts of the futures crate are Future and Stream.

Promises and Futures are used to ferry a single object from one thread to another.

A std::promise object is set by the thread which generates the result.

A std::future object can be used to retrieve a value, to test to see if a value is available, or to halt execution until the value is available.

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