fn is_null(
        &self
    ) -> bool {
        self.0.is_null()
    }
/// Checks whether the Bstr is null or not.
Checks whether the Bstr is null or not.
Checks whether the Bstr is null or not .
fn is_null(
        &self
    ) -> bool {
        self.0.is_null()
    }
fn is_null ( & self ) -> bool { self . 0 . is_null ( ) }
Checks whether the Bstr is null or not.
Checks whether the Bstr is null or not .
&self