Method field_positions

arrow-json/src/reader/struct_array.rs:67–70

(&self, field_idx: usize)

    }

    fn field_positions(&self, field_idx: usize) -> &[u32] {
        let start = field_idx * self.row_count;
        &self.data[start..start + self.row_count]
    }
}

pub struct StructArrayDecoder {