fit2gpx 0.6.1

.fit to .gpx converter
Documentation 
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use gpx::{Gpx, Waypoint};
use std::{fs::File, io::BufWriter, path::Path};

/// write the `gpx` to `fname`
/// # Errors
/// can't write
pub fn write_gpx_to_file(gpx: Gpx, fname: impl AsRef<Path>) -> crate::Res<()> {
    // Create file at `fname`
    let gpx_file = File::create(fname.as_ref())?;
    let bufw = BufWriter::new(gpx_file);

    // Write to file
    gpx::write(&gpx, bufw)?;
    log::debug!("written {:?}", fname.as_ref());
    Ok(())
}
/// is this `wp` null(0; 0)?
pub fn is_00(wp: &Waypoint) -> bool {
    let res = wp.point().x_y() == (0., 0.);
    if res {
        log::trace!("{wp:?} is null");
    }
    res
}