From 7b6259977feae5aa240f8f843214d8f5fa3597fa Mon Sep 17 00:00:00 2001
From: Eryn Wells <eryn@erynwells.me>
Date: Sat, 1 Sep 2018 22:21:21 -0700
Subject: [PATCH] [lexer] Add fail() constructor to StateResult

---
 lexer/src/states/mod.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lexer/src/states/mod.rs b/lexer/src/states/mod.rs
index 94595e2..f661fd0 100644
--- a/lexer/src/states/mod.rs
+++ b/lexer/src/states/mod.rs
@@ -35,3 +35,9 @@ pub trait State: Debug {
     fn lex(&mut self, c: char) -> StateResult;
     fn none(&mut self) -> Result<Option<Token>, String>;
 }
+
+impl StateResult {
+    pub fn fail(msg: &str) -> StateResult {
+        StateResult::Fail { msg: msg.to_string() }
+    }
+}
\ No newline at end of file