Rust (programming language): Difference between revisions

Revision as of 11:26, 26 June 2025

Revision as of 11:29, 26 June 2025

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=== Pointers ===

The <code>&</code> and <code>{{rust|&mut</code>}} reference types are guaranteed to not be null and points to valid memory.{{sfn|Gjengset|2021|p=155-156}} The raw pointer types <code>{{rust|*const</code>}} and <code>{{rust|*mut</code>}} opts out of the safety guarantees, thus they may be null and invalid; however, it is impossible to dereference them unless the code is explicitly declared unsafe through the use of an <code>{{rust|unsafe</code>}} block.{{sfn|Klabnik|Nichols|2023|pp=421-423}} Unlike dereferencing, the creation of raw pointers is allowed inside of safe Rust code.{{sfn|Klabnik|Nichols|2019|pp=418–427}}

=== Type conversion ===