palindrome.rs

extern crate itertools;
use itertools::Itertools;
use std::thread;
use std::sync::{Mutex, Arc};

fn main() {
    let mut iter = Arc::new(Mutex::new((100..1000).combinations()));
    for _ in 0..8 {
        let iter = iter.clone();
        thread::spawn(move || {
            let block: Vec<(u64, u64)> = iter.lock().unwrap().take(10000).collect();
            while block.len() > 0 {
                for tup in &block {
                    //TODO
                }
                // let mut block: Vec<(u64, u64)> = iter.lock().unwrap().take(10000).collect();
            }
        });
    }
}

compilation error:

cargo build --release
   Compiling palindrome v0.1.0 (file:///Users/SumProxy/Projects/rust/palindrome)
src/main.rs:11:42: 11:62 error: cannot move out of borrowed content
src/main.rs:11             let block: Vec<(u64, u64)> = iter.lock().unwrap().take(10000).collect();
                                                        ^~~~~~~~~~~~~~~~~~~~
note: in expansion of closure expansion
src/main.rs:10:23: 18:10 note: expansion site
note: in expansion of for loop expansion
src/main.rs:8:5: 19:6 note: expansion site
error: aborting due to previous error
Could not compile `palindrome`.

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