Class: Rumai::IXP::Struct::Field

A field inside a Struct.

A field‘s value is considered to be:
- array of format when counter && format.is_a? Class
- raw byte string when counter && format.nil?

Field values are stored as instance variables inside a structure.

countee= counter= factory load_9p new to_9p

 countee
 counter
 format
 name

Returns a Field class that best represents the given format.

aName:	unique (among all fields in a struct) name for the field
aFormat:	number of bytes, a class, or nil
aCounter:	field which counts the length of this field‘s value

Sets the countee for this field (implying that this field counts the length of the given field).

Sets the counter for this field (implying that the length of this field is counted by the given field).

Populates this object with information taken from the given 9P2000 byte stream.

Transforms this object into a string of 9P2000 bytes.