Data update

This commit is contained in:
Ingy döt Net 2024-10-16 18:07:41 -07:00
parent 81fd053722
commit 52a6ef48dd
10248 changed files with 63654 additions and 6775 deletions

View file

@ -1,21 +0,0 @@
use std::rc::Rc;
use std::cell::RefCell;
fn main() {
let size = 3;
// Clone the given element to fill out the vector.
let mut v: Vec<String> = vec![String::new(); size];
v[0].push('a');
println!("{:?}", v);
// Run a given closure to create each element.
let mut v: Vec<String> = (0..size).map(|i| i.to_string()).collect();
v[0].push('a');
println!("{:?}", v);
// For multiple mutable views of the same thing, use something like Rc and RefCell.
let v: Vec<Rc<RefCell<String>>> = vec![Rc::new(RefCell::new(String::new())); size];
v[0].borrow_mut().push('a');
println!("{:?}", v);
}