Q:

Rust program to access a static variable in a module

belongs to collection: Rust Modules Programs

YasminRadwan26
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2022-07-19
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In this program, we will create a static variable and then we will access created variable in a module using "use create".

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YasminRadwan26
2022-07-19
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Program/Source Code:

The source code to access a static variable in a module is given below. The given program is compiled and executed on UBUNTU 18.04 successfully.

// Rust program to access a static 
// variable in a module

pub static StaticVar: &str = "Hello World";

mod Sample {
use crate::StaticVar;

    pub fn sayHello() {
         println!("{}", StaticVar);
    }
}

fn main() {
   Sample::sayHello();
}

Output:

Hello World

Explanation:

In the above program, we created a static variable StaticVar. Then we created a module Sample, here we accessed the static variable StaticVar in module Sample.

In the main() function, we called the sayHello() method with a specified string and printed the result.

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