codeql/rust/ql/test/library-tests/const_access/main.rs

const GLOBAL_CONST: i32 = 42;
const STRING_CONST: &str = "hello";

struct MyStruct {
    value: i32,
}

impl MyStruct {
    const ASSOC_CONST: i32 = 100;
}

mod my_module {
    pub const MODULE_CONST: i32 = 200;
}

fn use_consts() {
    let x = GLOBAL_CONST; // $ const_access=GLOBAL_CONST

    let s = STRING_CONST; // $ const_access=STRING_CONST

    let y = MyStruct::ASSOC_CONST; // $ const_access=ASSOC_CONST

    let z = my_module::MODULE_CONST; // $ const_access=MODULE_CONST

    #[rustfmt::skip]
    let _ = if GLOBAL_CONST > 0 { // $ const_access=GLOBAL_CONST
        println!("positive");
    };

    let arr = [MyStruct::ASSOC_CONST; 5]; // $ const_access=ASSOC_CONST

    #[rustfmt::skip]
    let _ = if let GLOBAL_CONST = 0 { // $ const_access=GLOBAL_CONST
        println!("zero");
    };

    {
        const STRING_CONST: &str = "inner"; // Inner1
        let _ = STRING_CONST; // $ const_access=Inner1

        {
            const STRING_CONST: &str = "inner2"; // Inner2
            let _ = STRING_CONST; // $ const_access=Inner2
        }
    }
}

fn main() {
    use_consts();
}