Method is_valid

arrow-buffer/src/builder/null.rs:159–165

(&self, index: usize)

    /// Gets a bit in the buffer at `index`
    #[inline]
    pub fn is_valid(&self, index: usize) -> bool {
        if let Some(ref buf) = self.bitmap_builder {
            buf.get_bit(index)
        } else {
            true
        }
    }

    /// Truncates the builder to the given length
    ///