5.1 Parts and their methods

The module defines the <mu-part> class, and adds two methods to <mu:message> objects:

• (mu:parts msg) - returns a list <mu-part> objects, one for each MIME-parts in the message.
• (mu:attachments msg) - like parts, but only list those MIME-parts that look like proper attachments.

A <mu:part> object exposes a few methods to get information about the part:

• (mu:name <part>) - returns the file name of the mime-part, or #f if there is none.
• (mu:mime-type <part>) - returns the mime-type of the mime-part, or #f if there is none.
• (mu:size <part>) - returns the size in bytes of the mime-part

Then, we may want to save the part to a file; this can be done using either:

• (mu:save part <part>) - save a part to a temporary file, return the file name⁷
• (mu:save-as <part> <path>) - save part to file at path