[RFA 2/2] Support ptype/o in Rust

[Tom Tromey]

>>>>> "Simon" == Simon Marchi <simon.marchi@polymtl.ca> writes:

>> +  // When printing offsets, we rearrange the fields into storage
>> +  // order.  This lets us show holes more clearly.  We work using
>> +  // field indices here because it simplifies calls to
>> +  // print_offset_data::update below.

Simon> Use /**/  comments.

Oops, too much project switching.  Thanks for pointing this out.
I've fixed this.

Tom