Error code E0259

The name chosen for an external crate conflicts with another external crate that has been imported into the current module.

Erroneous code example:

extern crate core;
extern crate std as core;

fn main() {}
Run

The solution is to choose a different name that doesn’t conflict with any external crate imported into the current module.

Correct example:

extern crate core;
extern crate std as other_name;

fn main() {}
Run

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