Error code E0197

An inherent implementation was marked unsafe.

Erroneous code example:

struct Foo;

unsafe impl Foo { } // error!
Run

Inherent implementations (one that do not implement a trait but provide methods associated with a type) are always safe because they are not implementing an unsafe trait. Removing the unsafe keyword from the inherent implementation will resolve this error.

struct Foo;

impl Foo { } // ok!
Run

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