Memory layout of a data structure: Difference between revisions
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Of course, this is a very simplified view of the full RS-232 protocol. Also, although this represents the order of the pins in a D-9 connector, this would not necessarily be the same as the order of the bits in a control register.
=={{header|J}}==
J does not support "structures", nor "fields in a structure". Instead, J supports arrays. And, of course, J could have labels corresponding to the elements of an array representing the state (voltage, current, logical bit value, whatever) of each pin of a 9-pin RS-232 plug:
labels=: <;._2]0 :0
CD Carrier detect
RD Received data
TD Transmitted data
DTR Data terminal ready
SG Signal ground
DSR Data set ready
RTS Request to send
CTS Clear to send
RI Ring indicator
)
=={{header|OCaml}}==
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