Rust for JavaScript Developers@rustforjsdev

A practical Rust course by @chatsidhartha, especially for JavaScript developers. Preorders open!

rustforjs.dev/
Joined May 2022
In Rust, it is possible to force-ably allocate values on the heap using the Box type, here is an example of an i32 value allocated on the heap. age is now a pointer to a heap allocated i32.
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Rust lets you iterate through something iterable using an Iterator. Here's an example of filtering an array for even numbers. We create an Iterator from our array using into_iter in this case, a version of iter that moves ownership of each value into our closure.
fn main() { let x = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]; let y: Vec<i32> = x.into_iter().filter(|a| a % 2 == 0).collect(); println!("{:?}", y); // [2, 4, 6, 8, 10] }

ALT fn main() { let x = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]; let y: Vec<i32> = x.into_iter().filter(|a| a % 2 == 0).collect(); println!("{:?}", y); // [2, 4, 6, 8, 10] }

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