extern crate

To link a crate to this new library, the extern crate declaration must be used. This will not only link the library, but also import all its items under a module named the same as the library. The visibility rules that apply to modules also apply to libraries.

1. // Link to `library`, import items under the `rary` module
2. extern crate rary;

4. fn main() {
5. rary::public_function();

7. // Error! `private_function` is private
8. //rary::private_function();

10. rary::indirect_access();
11. }

1. # Where library.rlib is the path to the compiled library, assumed that it's
2. # in the same directory here:
3. $ rustc executable.rs --extern rary=library.rlib && ./executable
4. called rary's `public_function()`
5. called rary's `indirect_access()`, that
6. > called rary's `private_function()`