gribberish 0.25.1

Parse grib 2 files with Rust
Documentation 
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use std::str;
use super::grib_section::GribSection;

fn validate_end_section(data: &[u8]) -> bool {
    match str::from_utf8(&data[0..4]) {
		Ok(s) => s == "7777",
		_ => false
	}
}

pub struct EndSection<'a> {
    data: &'a [u8],
}

impl <'a> EndSection<'a> {
    pub fn from_data(data: &'a [u8]) -> Self {
        EndSection {
            data,
        }
    }

    pub fn is_end_section(data: &[u8], offset: usize) -> bool {
        validate_end_section(&data[offset..offset+4])
    }

    pub fn valid(&self) -> bool {
        validate_end_section(&self.data[0..4])
    }
}

impl <'a> GribSection for EndSection<'a> {
    fn len(&self) -> usize {
        4
    }

    fn number(&self) -> u8 {
        8
    }
}