Sizwe Bansi
31-07 2022 22:31
wrote:
use std::env::{args, Args};
fn main() {
println!("==============");
let mut arg: Args = args();
let first_operand: String = arg.nth(1).unwrap();
let operator: char = arg.nth(0).unwrap().chars().next().unwrap();
let second_operand: String = arg.nth(0).unwrap();
let first_operand = first_operand.parse::().unwrap();
let second_operand = second_operand.parse::().unwrap();
let result = operate(operator, first_operand, second_operand);
println!("{}", format_result(result, first_operand, second_operand, operator));
println!("==============");
}
fn operate(operator: char, first_number: i32, second_number: i32) - i32 {
match operator {
'+' = first_number + second_number,
'-' = first_number - second_number,
'/' = first_number / second_number,
'*' | 'X' | 'x' = first_number * second_number,
_ = panic!("Give me a valid input you piece of shit.")
}
}
fn format_result (result: i32, first_number: i32, second_number: i32, operator: char) - String {
format!("{} {} {} = {} ", first_number, operator, second_number, result)
}
Sizwe Bansi
31-07 2022 22:31
wrote:
use std::env::{args, Args};
fn main() {
println!("==============");
let mut arg: Args = args();
let first_operand: String = arg.nth(1).unwrap();
let operator: char = arg.nth(0).unwrap().chars().next().unwrap();
let second_operand: String = arg.nth(0).unwrap();
let first_operand = first_operand.parse::().unwrap();
let second_operand = second_operand.parse::().unwrap();
let result = operate(operator, first_operand, second_operand);
println!("{}", format_result(result, first_operand, second_operand, operator));
println!("==============");
}
fn operate(operator: char, first_number: i32, second_number: i32) - i32 {
match operator {
'+' = first_number + second_number,
'-' = first_number - second_number,
'/' = first_number / second_number,
'*' | 'X' | 'x' = first_number * second_number,
_ = panic!("Give me a valid input you piece of shit.")
}
}
fn format_result (result: i32, first_number: i32, second_number: i32, operator: char) - String {
format!("{} {} {} = {} ", first_number, operator, second_number, result)
}
