no_send_par_iter.rs.html -- source

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webpki_roots

// Check that `!Send` types fail early.

/** ```compile_fail,E0277,E0599

use rayon::prelude::*;
use std::ptr::null;

#[derive(Copy, Clone)]
struct NoSend(*const ());

unsafe impl Sync for NoSend {}

fn main() {
    let x = Some(NoSend(null()));

    x.par_iter()
        .map(|&x| x) //~ ERROR
        .count(); //~ ERROR
}

``` */
mod map {}

/** ```compile_fail,E0277,E0599

use rayon::prelude::*;
use std::ptr::null;

#[derive(Copy, Clone)]
struct NoSend(*const ());

unsafe impl Sync for NoSend {}

fn main() {
    let x = Some(NoSend(null()));

    x.par_iter()
        .filter_map(|&x| Some(x)) //~ ERROR
        .count(); //~ ERROR
}

``` */
mod filter_map {}

/** ```compile_fail,E0277,E0599

use rayon::prelude::*;
use std::ptr::null;

#[derive(Copy, Clone)]
struct NoSend(*const ());

unsafe impl Sync for NoSend {}

fn main() {
    let x = Some(NoSend(null()));

    x.par_iter()
        .cloned() //~ ERROR
        .count(); //~ ERROR
}

``` */
mod cloned {}