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			35 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
| // It might be intuitive for a user coming from languages like Java
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| // to declare a method directly in a struct's definition. Make sure
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| // rustc can give a helpful suggestion.
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| // Suggested in issue #76421
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| 
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| struct S {
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|     field: usize,
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| 
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|     fn foo() {}
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|     //~^ ERROR functions are not allowed in struct definitions
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|     //~| HELP unlike in C++, Java, and C#, functions are declared in `impl` blocks
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|     //~| HELP see https://doc.rust-lang.org/book/ch05-03-method-syntax.html for more information
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| }
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| 
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| union U {
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|     variant: usize,
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| 
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|     fn foo() {}
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|     //~^ ERROR functions are not allowed in union definitions
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|     //~| HELP unlike in C++, Java, and C#, functions are declared in `impl` blocks
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|     //~| HELP see https://doc.rust-lang.org/book/ch05-03-method-syntax.html for more information
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| }
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| 
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| enum E {
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|     Variant,
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| 
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|     fn foo() {}
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|     //~^ ERROR functions are not allowed in enum definitions
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|     //~| HELP unlike in C++, Java, and C#, functions are declared in `impl` blocks
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|     //~| HELP see https://doc.rust-lang.org/book/ch05-03-method-syntax.html for more information
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|     //~| HELP enum variants can be `Variant`, `Variant = <integer>`, `Variant(Type, ..., TypeN)` or `Variant { fields: Types }`
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| }
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| 
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| fn main() {}
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