calculator_functions/
lib.rs

1pub mod calculator_functions{
2    pub mod basic_functions{
3        pub fn add(x:i32,y:i32) -> i32{
4            x + y
5        }
6
7        pub fn subtract(x:i32,y:i32) -> i32{
8            x - y
9        }
10
11        pub fn multiply(x:i32,y:i32) -> i32{
12            x * y
13        }
14
15        pub fn divide(x:i32,y:i32) -> i32{
16            x / y
17        }
18
19    }
20
21    pub mod power_functions{
22        pub fn square(x:i32) -> i32{
23            x * x        
24        }
25
26        pub fn cube(x:i32) -> i32{
27            x * x * x
28        }
29
30        pub fn power(x:i32,power:i32) -> i32{
31            let mut rs = 1;
32            let mut i = 1;
33            while i <= power {
34                rs = rs * x;
35                i = i + 1;
36            }
37            rs
38        }
39    }
40
41}
calculator_functions/lib.rs

calculator_functions/
lib.rs
