rustHow do I create a variable on the heap in Rust?
Creating a variable on the heap in Rust is done using the Box
type. Box
is a smart pointer that allocates memory on the heap and deallocates it when it goes out of scope.
let b = Box::new(5);
This code creates a Box
containing the value 5
on the heap.
Code explanation
let b =
- declares a variableb
Box::new(5)
- creates aBox
containing the value5
on the heap
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