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How to stop iteration and return an error when Iterator::map returns Result::Err?

Hello, experienced Rustaceans! I'm new to Rust and have been struggling with a problem for several hours. I have a vector of strings that I want to convert to numbers using `Iterator::map` and `str::parse::()`. The problem is that `parse` returns a `Result`, and if any string is not a number, I want to immediately stop the entire iteration and return an error to the calling code. Here's my code: ```rust fn parse_numbers(input: Vec<&str>) -> Vec { input.iter().map(|s| s.parse::().unwrap()).collect() } ``` `unwrap()` panics, but I need an elegant solution without panicking. I tried using `filter_map`, but it just ignores errors, and I need to propagate them. I also tried wrapping everything in `Result`: ```rust fn parse_numbers(input: Vec<&str>) -> Result, ParseIntEr
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