Fix pad functions.

2020-06-30 18:34:32 +08:00
parent d6a08be223
commit 52ef223f83
2 changed files with 23 additions and 19 deletions
--- a/src/packages/array_basic.rs
+++ b/src/packages/array_basic.rs
@@ -41,11 +41,13 @@ fn pad<T: Variant + Clone>(engine: &Engine, args: &mut [&mut Dynamic]) -> FuncRe
        }
    }

-    if len >= 0 {
+    if len > 0 {
        let item = args[2].clone();
        let list = args[0].downcast_mut::<Array>().unwrap();

-        list.resize(len as usize, item);
+        if len as usize > list.len() {
+            list.resize(len as usize, item);
+        }
    }
    Ok(())
 }