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What I’m finding is that Rust has fallen into the same basic nerd-trap as Lisp. It makes you think that by writing tidier, cleaner, more functional code, you’re becoming a better person. In fact you’re just functoring off.
I just “condensed” a perfectly readable for loop into this:
let scripts: Vec<Script> = opts.script
.iter()
.map(|filename| load_script(&filename))
.collect::<Result<Vec<_>, _>>()?;
For the record, the first version looked like this:
let mut scripts: Vec<Script> = Vec::new();
for filename in &opts.script {
let script = load_script(&filename)?;
scripts.push(script);
}
But, you know, that’s code for _humans_.
(This is a learning project. I am intentionally kicking the tires here.)