sequencefile 0.2.0

Native Rust library for working with Hadoop sequence files. Only handles reading currently.
Documentation 
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use crate::errors::Result;
use crate::{read_vint, Writable};

use std::borrow::Cow;

/// hadoop.io.Text
#[derive(Debug)]
pub struct Text {
    len: i32,
    buf: Vec<u8>,
}

impl Text {
    /// Converts to String
    pub fn to_string(&self) -> Cow<str> {
        String::from_utf8_lossy(&self.buf)
    }

    /// Tells if instance is an empty string or not
    pub fn is_empty(&self) -> bool {
        self.len == 0
    }
}

impl Writable for Text {
    fn read(input: &mut impl std::io::Read) -> Result<Self> {
        let len = read_vint(input)?;
        let mut buf = vec![0; len as usize];
        input.read_exact(&mut buf)?;
        Ok(Self { len, buf })
    }
}