[glib.checksum.Checksum.free] when finished using it.
Checksum.copy
glib.checksum.Checksum copy()Copies a #GChecksum. If checksum has been closed, by calling [glib.checksum.Checksum.getString] or [glib.checksum.Checksum.getDigest], the copied checksum will be closed as well.
Returns
the copy of the passed #GChecksum. Use