mirror of
				https://github.com/rust-lang/rust.git
				synced 2025-11-04 06:56:14 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			24 lines
		
	
	
		
			446 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			446 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
// run-pass
 | 
						|
 | 
						|
#![allow(non_camel_case_types)]
 | 
						|
#[derive(Copy, Clone)]
 | 
						|
struct mytype(Mytype);
 | 
						|
 | 
						|
#[derive(Copy, Clone)]
 | 
						|
struct Mytype {
 | 
						|
    compute: fn(mytype) -> isize,
 | 
						|
    val: isize,
 | 
						|
}
 | 
						|
 | 
						|
fn compute(i: mytype) -> isize {
 | 
						|
    let mytype(m) = i;
 | 
						|
    return m.val + 20;
 | 
						|
}
 | 
						|
 | 
						|
pub fn main() {
 | 
						|
    let myval = mytype(Mytype{compute: compute, val: 30});
 | 
						|
    println!("{}", compute(myval));
 | 
						|
    let mytype(m) = myval;
 | 
						|
    assert_eq!((m.compute)(myval), 50);
 | 
						|
}
 |