fitsio
pub trait WritesKey { fn write_key(f: &FitsFile, name: &str, value: Self) -> Result<()>; }
Writing a fits keyword
fn write_key(f: &FitsFile, name: &str, value: Self) -> Result<()>
impl WritesKey for i64
impl WritesKey for f32
impl WritesKey for f64
impl WritesKey for String