From 6488d227000c30e06b6ae50fa323d45d537698a7 Mon Sep 17 00:00:00 2001
From: Melody Horn <melody@boringcactus.com>
Date: Fri, 2 Apr 2021 20:53:30 -0600
Subject: add helper function for empty tokenstring

---
 src/makefile/mod.rs   | 2 +-
 src/makefile/token.rs | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/makefile/mod.rs b/src/makefile/mod.rs
index 5f4ca15..d16ad65 100644
--- a/src/makefile/mod.rs
+++ b/src/makefile/mod.rs
@@ -396,7 +396,7 @@ impl<'a> Makefile<'a> {
                 line_tokens.strip_suffix("=");
                 line_tokens.trim_end();
             }
-            let mut value = TokenString::from(vec![]);
+            let mut value = TokenString::empty();
             for (_, line) in lines_iter {
                 let line = line?;
                 if line == "endef" {
diff --git a/src/makefile/token.rs b/src/makefile/token.rs
index 3bb9f4e..5984901 100644
--- a/src/makefile/token.rs
+++ b/src/makefile/token.rs
@@ -23,6 +23,10 @@ impl<'a, T: 'a + ParseError<&'a str> + ContextError<&'a str>> Err<'a> for T {}
 pub struct TokenString(Vec<Token>);
 
 impl TokenString {
+    pub fn empty() -> Self {
+        Self(vec![])
+    }
+
     pub fn text(text: impl Into<String>) -> Self {
         Self(vec![Token::Text(text.into())])
     }
-- 
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