From 6ef11130281a16e5ca23250ac78bcd27c777a14e Mon Sep 17 00:00:00 2001
From: Nadrieril
Date: Mon, 15 Apr 2019 17:43:39 +0200
Subject: Keep rule order in `abnf_to_pest`

Closes #79
---
 abnf_to_pest/Cargo.toml | 1 +
 abnf_to_pest/src/lib.rs | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

(limited to 'abnf_to_pest')

diff --git a/abnf_to_pest/Cargo.toml b/abnf_to_pest/Cargo.toml
index fc9fe66..cd6aa10 100644
--- a/abnf_to_pest/Cargo.toml
+++ b/abnf_to_pest/Cargo.toml
@@ -10,5 +10,6 @@ doctest = false
 
 [dependencies]
 abnf = "0.1.2"
+indexmap = "1.0.2"
 itertools = "0.8.0"
 pretty = "0.5.2"
diff --git a/abnf_to_pest/src/lib.rs b/abnf_to_pest/src/lib.rs
index 46bd79d..f1a167f 100644
--- a/abnf_to_pest/src/lib.rs
+++ b/abnf_to_pest/src/lib.rs
@@ -8,7 +8,7 @@ pub use abnf::abnf::{
 };
 use itertools::Itertools;
 use pretty::{BoxDoc, Doc};
-use std::collections::HashMap;
+use indexmap::map::IndexMap;
 
 trait Pretty {
     fn pretty(&self) -> Doc<'static, BoxDoc<'static, ()>>;
@@ -146,7 +146,7 @@ impl Pretty for (String, PestyRule) {
 /// Parse an abnf file. Returns a map of rules.
 pub fn parse_abnf(
     data: &[u8],
-) -> Result<HashMap<String, PestyRule>, std::io::Error> {
+) -> Result<IndexMap<String, PestyRule>, std::io::Error> {
     let make_err =
         |e| std::io::Error::new(std::io::ErrorKind::Other, format!("{}", e));
     let rules: Vec<Rule> =
-- 
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