1 files changed, 8 insertions, 2 deletions
diff --git a/src/vector.rs b/src/vector.rs
index 366812f..56d1817 100644
--- a/src/vector.rs
+++ b/src/vector.rs
@@ -18,6 +18,12 @@ impl DerefMut for FileVector {
     }
 }
 
+impl Default for FileVector {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl FileVector {
     pub fn new() -> Self {
         Self { data : HashMap::new() }
@@ -39,7 +45,7 @@ impl FileVector {
         Self { data }
     }
 
-    pub fn to_string(&self) -> String {
+    pub fn stringify(&self) -> String {
         let mut hex = String::new();
 
         for (i, v) in self.data.iter() {
@@ -53,7 +59,7 @@ impl FileVector {
 pub fn scalar_product(a : &FileVector, b : &FileVector) -> u64 {
     let mut c = 0;
     for (i, x) in a.iter() {
-        c += x * (b.get(i).unwrap_or_else(|| &0));
+        c += x * (b.get(i).unwrap_or(&0));
     }
     c
 }