Method as_string_opt

arrow-array/src/cast.rs:861–863

Downcast this to a [`GenericStringArray`] returning `None` if not possible

(&self)

    /// Downcast this to a [`GenericStringArray`] returning `None` if not possible
    fn as_string_opt<O: OffsetSizeTrait>(&self) -> Option<&GenericStringArray<O>> {
        self.as_bytes_opt()
    }

    /// Downcast this to a [`GenericStringArray`] panicking if not possible
    fn as_string<O: OffsetSizeTrait>(&self) -> &GenericStringArray<O> {