rustRust null value example
Null values in Rust are represented by the Option enum. Option is an enum with two variants, Some and None. Some is used to wrap a value, while None is used to indicate the absence of a value.
Example code
let x: Option<i32> = None;This code creates a variable x of type Option<i32> and assigns it the value None. This indicates that x does not have a value.
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