Macro mwalib::get_required_fits_key_long_string

macro_rules! get_required_fits_key_long_string {
    ($fptr : expr, $hdu : expr, $keyword : expr) => { ... };
}

Given a FITS file pointer, and a keyword to a long string keyword, pull out the long string of the keyword. This deals with FITSs CONTINUE mechanism by calling a low level fits function.

Arguments

• fits_fptr - A reference to the FITSFile object.

• hdu - A reference to the HDU you want to find keyword in the header of.

• keyword - String containing the keyword to read.

Returns

• A Result containing the value read or an error.