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Rust errors / Names, paths and imports

Rust compiler error · checked with rustc 1.99.0

Rust error E0624: method `method` is private

What it meansA private item was used outside of its scope.

What rustc prints

error[E0624]: method `method` is private
  --> main.rs:12:5
   |
 7 |         fn method(&self) {}
   |         ---------------- private method defined here
...
12 | foo.method(); // error: method `method` is private
   |     ^^^^^^ private method

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.

E0624Names, paths and imports
Activein rustc 1.99.0
7related errors linked below

The compiler team's explanation

A private item was used outside of its scope.

Erroneous code example:

mod inner {
    pub struct Foo;

    impl Foo {
        fn method(&self) {}
    }
}

let foo = inner::Foo;
foo.method(); // error: method `method` is private

Two possibilities are available to solve this issue:

1. Only use the item in the scope it has been defined:

mod inner {
    pub struct Foo;

    impl Foo {
        fn method(&self) {}
    }

    pub fn call_method(foo: &Foo) { // We create a public function.
        foo.method(); // Which calls the item.
    }
}

let foo = inner::Foo;
inner::call_method(&foo); // And since the function is public, we can call the
                          // method through it.

2. Make the item public:

mod inner {
    pub struct Foo;

    impl Foo {
        pub fn method(&self) {} // It's now public.
    }
}

let foo = inner::Foo;
foo.method(); // Ok!

From rustc --explain E0624 (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

Up next

Often hit nextE0425: cannot find value in this scopeA related error from the same family.Read it next →

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