Imported Upstream version 5.2.0.175

Former-commit-id: bb0468d0f257ff100aa895eb5fe583fb5dfbf900
2017-06-07 13:16:24 +00:00
parent 4bdbaf4a88
commit 966bba02bb
8776 changed files with 346420 additions and 149650 deletions
--- a/mcs/class/referencesource/System/compmod/system/collections/generic/stack.cs
+++ b/mcs/class/referencesource/System/compmod/system/collections/generic/stack.cs
@ -227,6 +227,22 @@ namespace System.Collections.Generic {
            _array[_size] = default(T);     // Free memory quicker.
            return item;
        }
+
+#if MONO
+        public bool TryPop(out T result)
+        {
+            if (_size == 0)
+            {
+                result = default(T);
+                return false;
+            }
+
+            _version++;
+            result = _array[--_size];
+            _array[_size] = default(T);     // Free memory quicker.
+            return true;
+        }
+#endif
    
        // Pushes an item to the top of the stack.
        //