rustHow can I create a nullable string in Rust?

A nullable string in Rust can be created using the Option<String> type. This type is an enum that can either be Some(String) or None.

Example code

let my_string: Option<String> = Some("Hello World".to_string());

Output example

Some("Hello World")

Code explanation

• Option<String>: This is the type used to create a nullable string in Rust. It is an enum that can either be Some(String) or None.
• Some("Hello World".to_string()): This is the value assigned to the my_string variable. It is a String wrapped in the Some variant of the Option<String> enum.

Helpful links

• Rust Documentation - Option

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