diff --git a/src/t_array.rs b/src/t_array.rs
index 1d5b4c0..cc60c94 100644
--- a/src/t_array.rs
+++ b/src/t_array.rs
@@ -36,6 +36,20 @@ impl TArray {
         }
     }
 
+    pub fn capacity(&self) -> u32 {
+        self.cap
+    }
+
+    pub fn clear(&mut self, len: u32) -> Self {
+        if self.data_ptr != 0 && self.len > 0 {
+            let data = unsafe {
+                std::slice::from_raw_parts_mut(self.data_ptr as *mut u8, self.len)
+            };
+            data.fill(0);
+            self.len = 0;
+        }
+    }
+
     #[inline(always)]
     pub(crate) fn resize_grow(&mut self, count: Option<u32>) -> u32 {
         let count = count.unwrap_or(1);