fully parse number?

src/lib.rs

@@ -124,11 +124,18 @@ impl PropertyTree {
         })
     }
 
-    fn parse_number<R>(_reader: &mut R) -> anyhow::Result<PropertyTree>
+    fn parse_number<R>(reader: &mut R) -> anyhow::Result<PropertyTree>
     where
         R: Read,
     {
-        Ok(PropertyTree::Number(0.0))
+        let mut buf = [0u8; 8];
+        reader
+            .read_exact(&mut buf)
+            .context("Failed trying to parse number")?;
+
+        let number = f64::from_le_bytes(buf);
+
+        Ok(PropertyTree::Number(number))
     }
 
     fn parse_bool<R>(reader: &mut R) -> anyhow::Result<PropertyTree>