Error code E0603

A private item was used outside its scope.

Erroneous code example:

mod foo {
    const PRIVATE: u32 = 0x_a_bad_1dea_u32; // This const is private, so we
                                            // can't use it outside of the
                                            // `foo` module.
}

println!("const value: {}", foo::PRIVATE); // error: constant `PRIVATE`
                                                  //        is private
Run

In order to fix this error, you need to make the item public by using the pub keyword. Example:

mod foo {
    pub const PRIVATE: u32 = 0x_a_bad_1dea_u32; // We set it public by using the
                                                // `pub` keyword.
}

println!("const value: {}", foo::PRIVATE); // ok!
Run

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