alpaca-option 0.24.9

Provider-neutral option semantics and math for the alpaca-rust workspace
Documentation 
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use std::error::Error;
use std::fmt::{Display, Formatter};

#[derive(Debug, Clone, PartialEq, Eq)]
pub struct OptionError {
    pub code: &'static str,
    pub message: String,
}

impl OptionError {
    pub fn new(code: &'static str, message: impl Into<String>) -> Self {
        Self {
            code,
            message: message.into(),
        }
    }
}

impl Display for OptionError {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        write!(f, "{}: {}", self.code, self.message)
    }
}

impl Error for OptionError {}

pub type OptionResult<T> = Result<T, OptionError>;