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			39 lines
		
	
	
		
			1022 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			39 lines
		
	
	
		
			1022 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
pub fn main() {
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    let x = "Hello " + "World!";
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    //~^ ERROR cannot add
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    // Make sure that the span outputs a warning
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    // for not having an implementation for std::ops::Add
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    // that won't output for the above string concatenation
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    let y = World::Hello + World::Goodbye;
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    //~^ ERROR cannot add
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    let x = "Hello " + "World!".to_owned();
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    //~^ ERROR cannot add
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}
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enum World {
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    Hello,
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    Goodbye,
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}
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fn foo() {
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    let a = String::new();
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    let b = String::new();
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    let c = "";
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    let d = "";
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    let e = &a;
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    let _ = &a + &b; //~ ERROR cannot add
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    let _ = &a + b; //~ ERROR cannot add
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    let _ = a + &b; // ok
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    let _ = a + b; //~ ERROR mismatched types
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    let _ = e + b; //~ ERROR cannot add
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    let _ = e + &b; //~ ERROR cannot add
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    let _ = e + d; //~ ERROR cannot add
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    let _ = e + &d; //~ ERROR cannot add
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    let _ = &c + &d; //~ ERROR cannot add
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    let _ = &c + d; //~ ERROR cannot add
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    let _ = c + &d; //~ ERROR cannot add
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    let _ = c + d; //~ ERROR cannot add
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}
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