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Add error handling

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Your name 2023-01-25 22:44:05 +03:00
parent 27a825b2a2
commit ebfe95e632
1 changed files with 5 additions and 1 deletions
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6
src/main.rs
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@ -14,7 +14,11 @@ fn main_loop() {
stdout().flush().unwrap(); stdout().flush().unwrap();
let mut input = String::new(); let mut input = String::new();
while stdin().read_line(&mut input).unwrap() != 0 { while stdin().read_line(&mut input).unwrap() != 0 {
println!("{}", evalexpr::eval(&input.trim()).unwrap()); let result = evalexpr::eval(&input.trim());
match result {
Ok(succ_res) => println!("{}", succ_res),
Err(_) => println!("Invalid input")
}
input.clear(); input.clear();
print!(">>> "); print!(">>> ");
stdout().flush().unwrap(); stdout().flush().unwrap();