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Move caret under the 'x' variabe
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@ -451,7 +451,7 @@ let x;
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```{ignore}
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src/hello_world.rs:2:9: 2:10 error: cannot determine a type for this local variable: unconstrained type
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src/hello_world.rs:2 let x;
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^
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^
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```
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Giving it a type will compile, though:
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@ -477,7 +477,7 @@ but it will still print "Hello, world!":
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Compiling hello_world v0.1.0 (file:/home/you/projects/hello_world)
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src/hello_world.rs:2:9: 2:10 warning: unused variable: `x`, #[warn(unused_variable)] on by default
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src/hello_world.rs:2 let x: int;
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^
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^
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```
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Rust warns us that we never use the variable binding, but since we never use it,
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@ -499,7 +499,7 @@ $ cargo build
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Compiling hello_world v0.1.0 (file:/home/you/projects/hello_world)
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src/hello_world.rs:4:39: 4:40 error: use of possibly uninitialized variable: `x`
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src/hello_world.rs:4 println!("The value of x is: {}", x);
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^
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^
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note: in expansion of format_args!
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<std macros>:2:23: 2:77 note: expansion site
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<std macros>:1:1: 3:2 note: in expansion of println!
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