Q:

Rust program to create different types of variables without specifying data types

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Here, we will create different types of variables without specifying data types and print them on the console screen.

Note: By default, the variables are immutable, we cannot change the variables.

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Program/Source Code:

The source code to create different types of variables without specifying data types is given below. The given program is compiled and executed successfully.

// Rust program to create different types of variables 
// without specifying data types

fn main() {
	let var1=10;        //32-bit signed integer 
	let var2=30.12;     //32-bit floating point number
	let var3=true;      //Boolean value
	let var4='A';       //Character

	println!("Var1: {}",var1);
	println!("var2: {}",var2);
	println!("var3: {}",var3);
	println!("Var4: {}",var4);
}

Output:

Var1: 10
var2: 30.12
var3: true
Var4: A

Explanation:

In the main() function, we created 5 different types of variables using the let keyword. Then we printed the value of variables using println!() macro on the console screen.

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Rust Basic Programs

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