mirror of
https://github.com/rust-lang/rust
synced 2024-11-05 20:45:15 +00:00
38 lines
1,022 B
Rust
38 lines
1,022 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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