rust error handling
match do_steps() {
Ok(_) => (),
_ => alert_user("Failed to perform necessary steps")
}
// Additional function:
fn do_steps() -> Result<(), Error>{
do_step_1()?;
do_step_2()?;
do_step_3()?;
// etc
Ok(())
}error handling rust
fn main() {
let c = div(2.0,0.0);
match c {
Ok(t) => println!("c = {t}"),
Err(e) => println!("{e}")
}
}
fn div(a:f32, b:f32) -> Result<f32, std::string::String> {
if b==0.0 {
let e = std::string::String::from("ZeroDevisionError: float division by zero");
return Err(e)
}
return Ok(a/b)
}Copyright © 2021 Codeinu
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