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#[derive(Debug)]
enum BaseNumber {
Decimal(i64),
Octal(i64),
Binary(i64),
Hexadecimal(i64),
Nan,
}
impl BaseNumber {
fn format(&self) -> Result<String, String> {
match self {
Self::Binary(value) => Ok(format!("{:b}", value)),
Self::Octal(value) => Ok(format!("{:o}", value)),
Self::Decimal(value) => Ok(format!("{}", value)),
Self::Hexadecimal(value) => Ok(format!("{:x}", value)),
Nan => Err("Not a number!".to_string()),
}
}
}
#[derive(Debug)]
enum Operator {
Add,
Sub,
Mul,
Div,
}
fn main() {
println!("Hello, world!");
println!("{}", numformat(15, 16).unwrap());
}
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