mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-11 08:05:12 +00:00
29 lines
570 B
Rust
29 lines
570 B
Rust
use std::cell::RefCell;
|
|
use std::collections::HashMap;
|
|
use std::rc::Rc;
|
|
|
|
pub struct Trader<'a> {
|
|
closure: Box<dyn Fn(&mut Trader) + 'a>,
|
|
}
|
|
|
|
impl<'a> Trader<'a> {
|
|
pub fn new() -> Self {
|
|
Trader {
|
|
closure: Box::new(|_| {}),
|
|
}
|
|
}
|
|
pub fn set_closure(&mut self, function: impl Fn(&mut Trader) + 'a) {
|
|
//foo
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
let closure = |trader : Trader| {
|
|
println!("Woooosh!");
|
|
};
|
|
|
|
let mut trader = Trader::new();
|
|
trader.set_closure(closure);
|
|
//~^ ERROR type mismatch in closure arguments
|
|
}
|