HomeSYNOPSIS
flag = msg:contains(tag)
DESCRIPTION
Checks if msg contains a data field tagged with tag. If tag is not a number,
it is looked up in the table mtd16.lutTag to get its numerical value.
RETURN VALUE
Returns a boolean indicating the presence of tag in msg.
ERRORS
Raises an error if msgCode could not be converted to a number by looking it up in
mtd16.lutTag.
EXAMPLE
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>
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msg = mtd16.new(0xF00F)
msg:append(0x3001, "FNORD!")
print(msg:contains(0x3001))
true
SEE ALSO
#mtd16, mtd16.answerCode, mtd16.fromData, mtd16.fromText, mtd16.isNestedTag, mtd16.lutType, mtd16.new, mtd16.tagCode, mtd16.tagName, mtd16.tagNumber, mtd16.tagType, mtd16:append, mtd16:appendMessageCode, mtd16:get, mtd16:getNumber, mtd16:getString, mtd16:isEmpty, mtd16:isValid, mtd16:messageCode, mtd16:nextMessageCode, mtd16:pairs, mtd16:rewind, mtd16:tags, mtd16:toData, mtd16:toText, mtd16:trace, tostring(mtd16)