error_generator 1.2.1

Transform structs and enums into fully qualified errors using attributes
Documentation 
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use std::fmt::Formatter;

use syn::Ident;

use crate::impl_display::DisplayImplementationError::*;

pub mod structs;
pub mod enums;
pub mod write;
mod match_arm;

#[derive(Debug)]
pub enum DisplayImplementationError {
    MissingMessages(Ident),
    UnnecessaryDefaultMessage(Ident)
}

impl std::error::Error for DisplayImplementationError {}

impl std::fmt::Display for DisplayImplementationError {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        match self {
            MissingMessages(ident) => write!(f, "Not all variants of enum '{}' have a Display message. Consider adding a default message at the enum item.", ident),
            UnnecessaryDefaultMessage(ident) => write!(f, "All variants for enum '{}' have a Display message, but a default was provided anyways. Please remove the default.", ident)
        }
    }
}