On Saturday, 31 January 2015 at 16:04:36 UTC, tcak wrote:
I do not have a big example in the end to show, but is there
any way to put labels into struct definitions?
struct CommunicationMessage{
char[2] signature;
mainData:
int info1;
int info2;
extraData:
ushort checksum
You could use a UDA like that, though getting the offset will be
a bit tricky.
The idea is to use some uda type, even plain string is good
enough, then use the __traits to find the first appearance of
that UDA in the object and return that offset.
Keep in mind that the @uda: syntax applies
Oh this hack also won't work with a label at the very end. You
could use sizeof for that though (however that would include
padding bytes. Perhaps last member's offsetof plus last member's
sizeof is a bit more accurate.)
I do not have a big example in the end to show, but is there any
way to put labels into struct definitions?
struct CommunicationMessage{
char[2] signature;
mainData:
int info1;
int info2;
extraData:
ushort checksum;
content:
}
Example I defined something like above. I am
On 01/31/15 17:04, tcak via Digitalmars-d-learn wrote:
struct CommunicationMessage{
[...]
content:
}
Example I defined something like above. I am using it as a base structure,
and don't know how long the content of message will be. But I know that it
will be at the end. I could use
On 31.01.15 17:04, tcak wrote:
I do not have a big example in the end to show, but is there any way to
put labels into struct definitions?
struct CommunicationMessage{
char[2] signature;
mainData:
int info1;
int info2;
extraData:
ushort checksum;
content:
}
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