lotsoftools

Rust Error E0758: Resolving Unterminated Multi-line (doc-)Comment

Understanding Rust Error E0758

Rust Error E0758 occurs when a multi-line comment (doc-comment) is left unterminated.

Erroneous code example:

#![allow(unused)]
fn main() {
/* I am not terminated!
}

And for doc-comments:

#![allow(unused)]
fn main() {
/*! I am not terminated!
}

Fixing Rust Error E0758

To fix Rust Error E0758, terminate the multi-line comment with */ at the end.

Corrected code example:

#![allow(unused)]
fn main() {
/* I am terminated! */
}

And for doc-comments:

#![allow(unused)]
fn main() {
/*! I am also terminated! */
}

Additional Notes

1. If you have nested comments, make sure all nested comments are also terminated, not just the outer comment.

2. If necessary, use a proper editor for coding, which highlights syntax errors such as unterminated comments, to minimize such errors.

3. Make sure to periodically review relevant Rust documentation to stay updated on best practices and error handling.