mirror of https://github.com/rust-lang/rust.git
32 lines
626 B
Rust
32 lines
626 B
Rust
//@ run-rustfix
|
|
//@ revisions: current next
|
|
//@[next] compile-flags: -Znext-solver
|
|
#![allow(unused_variables, dead_code)]
|
|
use std::collections::{BTreeMap, HashSet};
|
|
|
|
#[derive(Debug, Eq, PartialEq, Hash)]
|
|
#[derive(Clone)]
|
|
enum Day {
|
|
Mon,
|
|
}
|
|
|
|
struct Class {
|
|
days: BTreeMap<u32, HashSet<Day>>,
|
|
}
|
|
|
|
impl Class {
|
|
fn do_stuff(&self) {
|
|
for (_, v) in &self.days {
|
|
let mut x: HashSet<Day> = v.clone(); //~ ERROR
|
|
let y: Vec<Day> = x.drain().collect();
|
|
println!("{:?}", x);
|
|
}
|
|
}
|
|
}
|
|
|
|
fn fail() {
|
|
let c = Class { days: BTreeMap::new() };
|
|
c.do_stuff();
|
|
}
|
|
fn main() {}
|