1pub struct Entities{
2 pub number1:f64,
3 pub number2:f64,
4 pub operation:String,
5}
6
7
8pub fn add(calculate:&Entities)->f64{
9 calculate.number2 + calculate.number2
10}
11
12pub fn sub(calculate:&Entities)->f64{
13 calculate.number1 - calculate.number2
14}
15pub fn mult(calculate:&Entities)->f64{
16 calculate.number1 * calculate.number2
17}
18pub fn div(calculate:&Entities)->f64{
19 calculate.number1 / calculate.number2
20}
21
22fn main() {
23 let event1 = Entities{number1:34.0,number2:32.0,operation:String::from("Addition")};
24
25 if event1.operation == "Addition"{
26 let result = add(&event1);
27 println!("The result is {}",result);
28 }
29
30
31 else if event1.operation == "Subtraction"{
32 let result = sub(&event1);
33 println!("The result is {}",result);
34 }
35
36 else if event1.operation == "Multiplication"{
37 let result = mult(&event1);
38 println!("The result is {}",result);
39 }
40
41 else if event1.operation == "Division"{
42 let result = div(&event1);
43 println!("The result is {}",result);
44 }
45 else{
46 println!("Invalid input");
47 }
48}