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Rust errors / Names, paths and imports

Rust compiler error · checked with rustc 1.99.0

Rust error E0365: `foo` is only public within the crate, and cannot be re-exported outside

What it meansPrivate modules cannot be publicly re-exported. This error indicates that you attempted to pub use a module that was not itself public.

What rustc prints

error[E0365]: `foo` is only public within the crate, and cannot be re-exported outside
 --> main.rs:5:9
  |
5 | pub use foo as foo2;
  |         ^^^^^^^^^^^ re-export of crate public `foo`
  |
  = note: consider declaring type or module `foo` with `pub`

Real output of rustc 1.99.0 compiling the official example below (2021 edition). Your names and line numbers will differ; the first line is the part to match.

E0365Names, paths and imports
Activein rustc 1.99.0
8related errors linked below

The compiler team's explanation

Private modules cannot be publicly re-exported. This error indicates that you attempted to pub use a module that was not itself public.

Erroneous code example:

mod foo {
    pub const X: u32 = 1;
}

pub use foo as foo2;

fn main() {}

The solution to this problem is to ensure that the module that you are re-exporting is itself marked with pub:

pub mod foo {
    pub const X: u32 = 1;
}

pub use foo as foo2;

fn main() {}

See the Use Declarations section of the reference for more information on this topic.

From rustc --explain E0365 (1.99.0), part of the Rust project, MIT or Apache-2.0. Official page.

Related errors

All 518 Rust error codes · Rust crate data · Glossary

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