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/* Copyright (C) 2019 Akshay Oppiliappan <[email protected]>
* Refer to LICENCE for more information.
* */
#[derive(Debug)]
pub enum CalcError {
Math(Math),
Syntax(String),
Parser(String),
}
#[derive(Debug)]
pub enum Math {
DivideByZero,
OutOfBounds,
UnknownBase,
}
pub fn handler(e: CalcError) -> String {
match e {
CalcError::Math(math_err) => match math_err {
Math::DivideByZero => "Math Error: Divide by zero error!".to_string(),
Math::OutOfBounds => "Domain Error: Out of bounds!".to_string(),
Math::UnknownBase => "Base too large! Accepted ranges: 0 - 36".to_string(),
},
CalcError::Syntax(details) => format!("Syntax Error: {}", details),
CalcError::Parser(details) => format!("Parser Error: {}", details),
}
}
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