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 variablebBox::new(5)- creates aBoxcontaining the value5on the heap
Helpful links
Related
- How do I check if a variable is in a list of values in Rust?
- How do I pass a variable as an argument to a function in Rust?
- How do I print the address of a variable in Rust?
- How do I print a variable in Rust?
- How do I use a variable from another file in Rust?
- How do I write a variable to a file in Rust?
- How do I declare multiple variables in Rust?
- How do I check the type of a variable in Rust?
- How do I determine the size of a variable in Rust?
- How do I use a variable number of arguments in Rust?
More of Rust
- How to convert a Rust slice to a tuple?
- How to get a capture group using Rust regex?
- How to replace a capture group using Rust regex?
- How to match whitespace with a regex in Rust?
- How to replace all matches using Rust regex?
- How to use regex to match a double quote in Rust?
- How to match a URL with a regex in Rust?
- How to replace strings using Rust regex?
- How to split a string with Rust regex?
- Yield example in Rust
See more codes...