cdrs 2.2.0

Cassandra DB driver written in Rust
Documentation 
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use std::net::IpAddr;
use time::Timespec;
use uuid::Uuid;

use crate::error::{column_is_empty_err, Error, Result};
use crate::frame::frame_result::{
  BodyResResultRows, ColSpec, ColType, ColTypeOption, ColTypeOptionValue, RowsMetadata,
};
use crate::types::blob::Blob;
use crate::types::data_serialization_types::*;
use crate::types::decimal::Decimal;
use crate::types::list::List;
use crate::types::map::Map;
use crate::types::tuple::Tuple;
use crate::types::udt::UDT;
use crate::types::{ByIndex, ByName, CBytes, IntoRustByIndex, IntoRustByName};

#[derive(Clone, Debug)]
pub struct Row {
  metadata: RowsMetadata,
  row_content: Vec<CBytes>,
}

impl Row {
  pub fn from_frame_body(body: BodyResResultRows) -> Vec<Row> {
    body
      .rows_content
      .iter()
      .map(|row| Row {
        metadata: body.metadata.clone(),
        row_content: row.clone(),
      })
      .collect()
  }

  fn get_col_spec_by_name(&self, name: &str) -> Option<(&ColSpec, &CBytes)> {
    self
      .metadata
      .col_specs
      .iter()
      .position(|spec| spec.name.as_str() == name)
      .map(|i| {
        let ref col_spec = self.metadata.col_specs[i];
        let ref data = self.row_content[i];
        (col_spec, data)
      })
  }

  fn get_col_spec_by_index(&self, index: usize) -> Option<(&ColSpec, &CBytes)> {
    let specs = self.metadata.col_specs.iter();
    let values = self.row_content.iter();
    specs.zip(values).nth(index)
  }
}

impl ByName for Row {}

into_rust_by_name!(Row, Blob);
into_rust_by_name!(Row, String);
into_rust_by_name!(Row, bool);
into_rust_by_name!(Row, i64);
into_rust_by_name!(Row, i32);
into_rust_by_name!(Row, i16);
into_rust_by_name!(Row, i8);
into_rust_by_name!(Row, f64);
into_rust_by_name!(Row, f32);
into_rust_by_name!(Row, IpAddr);
into_rust_by_name!(Row, Uuid);
into_rust_by_name!(Row, List);
into_rust_by_name!(Row, Map);
into_rust_by_name!(Row, UDT);
into_rust_by_name!(Row, Tuple);
into_rust_by_name!(Row, Timespec);
into_rust_by_name!(Row, Decimal);

impl ByIndex for Row {}

into_rust_by_index!(Row, Blob);
into_rust_by_index!(Row, String);
into_rust_by_index!(Row, bool);
into_rust_by_index!(Row, i64);
into_rust_by_index!(Row, i32);
into_rust_by_index!(Row, i16);
into_rust_by_index!(Row, i8);
into_rust_by_index!(Row, f64);
into_rust_by_index!(Row, f32);
into_rust_by_index!(Row, IpAddr);
into_rust_by_index!(Row, Uuid);
into_rust_by_index!(Row, List);
into_rust_by_index!(Row, Map);
into_rust_by_index!(Row, UDT);
into_rust_by_index!(Row, Tuple);
into_rust_by_index!(Row, Timespec);
into_rust_by_index!(Row, Decimal);