mirror of
				https://github.com/rust-lang/rust.git
				synced 2025-10-31 13:04:42 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			36 lines
		
	
	
		
			929 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			929 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
| //@ check-pass
 | |
| //@ compile-flags: -Zdeduplicate-diagnostics=yes
 | |
| #![allow(dead_code)]
 | |
| 
 | |
| fn foo<T>() {
 | |
|     [0; std::mem::size_of::<*mut T>()];
 | |
|     //~^ WARN cannot use constants which depend on generic parameters in types
 | |
|     //~| WARN this was previously accepted by the compiler but is being phased out
 | |
| }
 | |
| 
 | |
| struct Foo<T>(T);
 | |
| 
 | |
| impl<T> Foo<T> {
 | |
|     const ASSOC: usize = 4;
 | |
| 
 | |
|     fn test() {
 | |
|         let _ = [0; Self::ASSOC];
 | |
|         //~^ WARN cannot use constants which depend on generic parameters in types
 | |
|         //~| WARN this was previously accepted by the compiler but is being phased out
 | |
|     }
 | |
| }
 | |
| 
 | |
| struct Bar<const N: usize>;
 | |
| 
 | |
| impl<const N: usize> Bar<N> {
 | |
|     const ASSOC: usize = 4;
 | |
| 
 | |
|     fn test() {
 | |
|         let _ = [0; Self::ASSOC];
 | |
|         //~^ WARN cannot use constants which depend on generic parameters in types
 | |
|         //~| WARN this was previously accepted by the compiler but is being phased out
 | |
|     }
 | |
| }
 | |
| 
 | |
| fn main() {}
 | 
