From 944a9bf876f8a9dcdae112c59b0db0f67e61a849 Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Sat, 14 May 2016 19:33:41 +0200
Subject: [PATCH] Remove unwrap() calls by matching

---
 libimagstore/src/store.rs | 28 +++++++++++++---------------
 1 file changed, 13 insertions(+), 15 deletions(-)

diff --git a/libimagstore/src/store.rs b/libimagstore/src/store.rs
index 73da21ba..573efb82 100644
--- a/libimagstore/src/store.rs
+++ b/libimagstore/src/store.rs
@@ -919,25 +919,23 @@ impl EntryHeader {
     }
 
     pub fn delete(&mut self, spec: &str) -> Result<Option<Value>> {
-        let tokens = EntryHeader::tokenize(spec, '.');
-        if tokens.is_err() { // return parser error if any
-            return Err(tokens.unwrap_err());
-        }
-        let tokens = tokens.unwrap();
+        let tokens = match EntryHeader::tokenize(spec, '.') {
+            Err(e) => return Err(e),
+            Ok(t) => t
+        };
 
-        let destination = tokens.iter().last();
-        if destination.is_none() {
-            return Err(SE::new(SEK::HeaderPathSyntaxError, None));
-        }
-        let destination = destination.unwrap();
+        let destination = match tokens.iter().last() {
+            None => return Err(SE::new(SEK::HeaderPathSyntaxError, None)),
+            Some(d) => d
+        };
         debug!("destination = {:?}", destination);
 
         let path_to_dest = tokens[..(tokens.len() - 1)].into(); // N - 1 tokens
-        let value = EntryHeader::walk_header(&mut self.header, path_to_dest); // walk N-1 tokens
-        if value.is_err() {
-            return Err(value.unwrap_err());
-        }
-        let mut value = value.unwrap();
+        // walk N-1 tokens
+        let mut value = match EntryHeader::walk_header(&mut self.header, path_to_dest) {
+            Err(e) => return Err(e),
+            Ok(v) => v
+        };
         debug!("walked value = {:?}", value);
 
         match *destination {