Rust Variables

Rust Variables

In this post, we will learn some important fact about variable of a rust programming language.

Point to Remember

1. Rust variables can be type annotated

 let logical: bool = true;  

2. Default Rust variable is immutable so we can not change its value

 let logical: bool = true;  
 // Error  
 logical = false;  

3. Mutable variable value can be changed

  let mut logical: bool = true;  
 // valid  
 logical = false;  

4. Type of Rust variable can not be changed

 let mut mutable = 5;  
 // Error  
 mutable = true;  

5. Rust variables can be overwritten with shadowing

 let mut mutable = 5;  
 // valid  
 let mutable = true;  

Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above.