1 files changed, 6 insertions, 6 deletions
diff --git a/src/label_format.rs b/src/label_format.rs
index c127e81..254cbd6 100644
--- a/src/label_format.rs
+++ b/src/label_format.rs
@@ -4,18 +4,18 @@ use crate::flood;
 use crate::color;
 
 pub trait LabelU16 {
-    fn zero(&self) -> Self;
+    fn is_zero(&self) -> bool;
 }
 
 impl LabelU16 for u16 {
-    fn zero(&self) -> Self {
-        0u16
+    fn is_zero(&self) -> bool {
+        *self == 0u16
     }
 }
 
 impl LabelU16 for u32 {
-    fn zero(&self) -> Self {
-        0u32
+    fn is_zero(&self) -> bool {
+        *self == 0u32
     }
 }
 
@@ -41,7 +41,7 @@ impl<T: LabelU16 + PartialEq + Copy> LabelFormat<T> {
         for y in 0..self.height {
             for x in 0..self.width {
                 let index = x + y*self.width;
-                if self.buffer[index] == self.buffer[index].zero() {
+                if self.buffer[index].is_zero() {
                     continue;
                 }
                 if output_buffer[index] == 0 {