From f9cc0e41ce691e110bc25fc0ee9b188296260b63 Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Fri, 30 Oct 2015 16:50:02 +0100
Subject: [PATCH] Implement Display for FileHeaderSpec

---
 src/storage/file.rs | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/src/storage/file.rs b/src/storage/file.rs
index 72d7a83a..bc1c57c9 100644
--- a/src/storage/file.rs
+++ b/src/storage/file.rs
@@ -31,6 +31,27 @@ pub trait FileData : Sized {
     fn get_abbrev(&self) -> String;
 }
 
+impl Display for FileHeaderSpec {
+
+    fn fmt(&self, fmt: &mut Formatter) -> fmt::Result {
+        match self {
+            &FileHeaderSpec::Null       => write!(fmt, "NULL"),
+            &FileHeaderSpec::Bool       => write!(fmt, "Bool"),
+            &FileHeaderSpec::Integer    => write!(fmt, "Integer"),
+            &FileHeaderSpec::UInteger   => write!(fmt, "UInteger"),
+            &FileHeaderSpec::Float      => write!(fmt, "Float"),
+            &FileHeaderSpec::Text       => write!(fmt, "Text"),
+            &FileHeaderSpec::Key{name: ref n, value_type: ref vt} => {
+                write!(fmt, "Key({:?}) -> {:?}", n, vt)
+            }
+            &FileHeaderSpec::Array{allowed_types: ref at}  => {
+                write!(fmt, "Array({:?})", at)
+            }
+        }
+    }
+
+}
+
 pub struct MatchError {
     summary: String,
     path: Vec<FileHeaderSpec>,