excel2df 0.1.5

A library for converting Excel files to Polars DataFrame.It supports multiple threads to improve performance.
Documentation 
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/// Read excel file for polars dataframe directly
/// This crate is just a baby project, maybe it will has some bugs.
/// It is inspired by [xl](https://docs.rs/xl/0.1.7/xl/) and [calamine](https://docs.rs/calamine/0.26.1/calamine/)
/// # Example
///
/// ```
/// use excel2df::Workbook;
///
/// let wb = Workbook::open("./test.xlsx").unwrap();
/// let range = wb.get_sheet_range("Sheet1");//single_threads to read
/// let df = range.to_dataframe(0);
/// println!("{:?}", df);
/// ```
///```
/// let mut wb = Workbook::open("./sale.xlsx").unwrap();
/// wb.set_threads_num(8);//set threads num

/// let start = Instant::now(); 
/// let range = wb.get_sheet_range2("Sheet1");//multi_threads to read
/// let df = range.to_dataframe(10);
/// ```


mod cellvalue;
mod wb;
mod ws;
mod utils;

pub use wb::Workbook;
pub use ws::Worksheet;
pub use cellvalue::{Row,Range,Cell,CellFormat};

pub use polars;