dntk 3.0.17

Command line's multi-platform interactive calculator, GNU bc wrapper.
Documentation 
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use std::fmt;

#[derive(Debug)]
pub enum BcError {
    NoResult,
    /// Parse or evaluation error
    Error(String),
}

impl fmt::Display for BcError {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        match self {
            BcError::NoResult => write!(f, "No result returned"),
            BcError::Error(msg) => write!(f, "Evaluation error: {msg}"),
        }
    }
}