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			12 lines
		
	
	
		
			247 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			12 lines
		
	
	
		
			247 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
| //@ proc-macro: derive-bad.rs
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| 
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| #[macro_use]
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| extern crate derive_bad;
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| 
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| #[derive(A)]
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| //~^ ERROR proc-macro derive produced unparsable tokens
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| //~| ERROR expected `:`, found `}`
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| struct A; //~ ERROR the name `A` is defined multiple times
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| 
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| fn main() {}
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