/// # Cindex, a csv indexer
/// 
/// Cindex is a simple to use csv indexer with SQL like simple query support.
/// 
/// # Usage
/// 
/// ```toml
/// [dependencies]
/// cindex = "*" # Use the latest version if possible
/// ```
/// 
/// ```rust
/// use std::fs::File;
/// use cindex::{Indexer, CIndexResult, CsvType, Predicate, Query, OutOption, Operator};
/// 
/// let mut indexer = Indexer::new();
/// 
/// // Add table without types
/// // Default types for every columns are "Text"
/// indexer.add_table_fast(
///     "table1", 
///     File::open("test.csv")?
/// )?;
/// 
/// // Add table with column types
/// indexer.add_table(
///     "table2", 
/// 	vec![CsvType::Text, CsvType::Text],
///     "id,address
/// 10,110-2222".as_bytes()
/// )?;
/// 
/// // Add table from stdin
/// let stdin = std::io::stdin();
/// indexer.add_table_fast(
///     "table3", 
///     stdin.lock()
/// )?;
/// 
/// // Indexing
/// 
/// // Create query object and print output to terminal
/// let query = Query::from_str("SELECT a,b,c FROM table1 WHERE a = 10");
/// indexer.index(query, OutOption::Term)?;
/// 
/// // Use raw query and yield output to a file
/// indexer.index_raw(
///     "SELECT * FROM table3 WHERE id = 10", 
///     OutOption::File(std::fs::File::open("out.csv")?)
/// )?;
/// 
/// // Use builder pattern to construct query and index
/// let query = Query::empty("table2")
///     .columns(vec!["id", "address"])
///     .predicate(
/// 	    Predicate::new("id", Operator::Equal)
/// 		    .args(vec!["10"])
/// 	)
///     .predicate(
/// 	    Predicate::build()
/// 		    .column("address")
/// 			.operator(Operator::NotEqual)
/// 			.raw_args("111-2222")
///     );
/// 
/// let mut acc = String::new();
/// indexer.index(query, OutOption::Value(&mut acc))?;
/// ```

mod indexer;
#[cfg(test)]
mod test;
pub mod models;
mod parser;
mod error;

pub use indexer::{Indexer, OutOption};
pub use models::{CsvType, Predicate, Operator, Query};
pub use error::{CIndexError, CIndexResult};