or the opposite, what is a NOT a zero-cost construction? can anyone show me an example? thanks. extern crate futures; use std::io; use std::time::Duration; use futures::prelude::*; use futures::future::Map; // Note here that like iterators, we're returning the `Map` combinator in // the futures …

What is a zero-cost construction?

vitalyd October 16, 2018, 12:48pm 2

You likely mean zero cost abstraction - that term lends itself to search/Google, but here is one thread in the past that has some discussion.

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