Microsoft.Scripting.Actions.MethodGroup.EnsureBoundGenericDict C# (CSharp) Method

        private void EnsureBoundGenericDict() {
            if (_boundGenerics == null) {
                Interlocked.CompareExchange<Dictionary<TypeList, MethodGroup>>(
                    ref _boundGenerics,
                    new Dictionary<TypeList, MethodGroup>(1),
                    null);
            }
        }