gribberish 1.2.0

Parse grib 2 files with Rust
Documentation 
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use super::grib_section::GribSection;
use crate::utils::read_u32_from_bytes;

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

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

impl<'a> GribSection for LocalUseSection<'a> {
    fn len(&self) -> usize {
        read_u32_from_bytes(&self.data[0..4], 0).unwrap_or(0) as usize
    }

    fn number(&self) -> u8 {
        self.data[4]
    }
}