From e895fbd9f38fbc08195d838067f5ad44bf8a5748 Mon Sep 17 00:00:00 2001
From: Matthieu Guilbert <guil.matthieu@gmail.com>
Date: Thu, 11 Jun 2020 23:29:37 +0800
Subject: [PATCH] Implement Error trait for ParseError

---
 src/lib.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index cafca07..7b226f4 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -90,6 +90,8 @@ use rust_decimal::Decimal;
 use rust_decimal::Error as DecimalError;
 use std::cmp::min;
 use std::collections::HashMap;
+use std::error::Error;
+use std::fmt;
 use std::num::ParseIntError;
 use std::str::FromStr;
 use std::vec::Vec;
@@ -146,6 +148,14 @@ pub enum ParseError {
     YearMonthDayError(&'static str),
 }
 
+impl fmt::Display for ParseError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{:?}", self)
+    }
+}
+
+impl Error for ParseError {}
+
 type ParseResult<I> = Result<I, ParseError>;
 
 pub(crate) fn tokenize(parse_string: &str) -> Vec<String> {