ca-rules 0.3.5

Parsing rule strings of life-like cellular automata.
Documentation 
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//! Errors that can be returned when parsing rule strings.

// use std::fmt::{self, Display, Formatter};
use displaydoc::Display;
use thiserror::Error;

/// Errors that can be returned when parsing rule strings.
#[derive(Clone, Debug, PartialEq, Eq, Error, Display)]
pub enum ParseRuleError {
    /// Missing expected {0:?}
    Missing(char),
    /// Missing expected number
    MissingNumber,
    /// Unexpected {0:?}
    Unexpected(char),
    /// Extra unparsed junk at the end of the rule string
    ExtraJunk,
    /// Number of states less than 2 in Generations rule
    GenLessThan2,
    /// Not a MAP rule
    NotMapRule,
    /// Invalid Base64 encoding for MAP rule
    Base64Error,
    /// Invalid length for MAP rule
    InvalidLength,
    /// Generations number overflow for Generations rule
    GenOverflow,
}