Type Toppings

Opinionated collection of utility extensions for several of Rust's standard types, including:

• Result
• Iterator
• futures::Steam

Documentation

https://docs.rs/type-toppings/latest/type_toppings/

Example

use type_toppings::IteratorExt;

// Map only the Some values in an iterator of Option<T>:
let data: Vec<_> = vec![Some(1), None, Some(3)]
   .into_iter()
   .map_opt(|x| x * 2)
   .collect();