On 11/03/2014 19.13, Luiz Henrique de Figueiredo wrote:
Consider this scheme instead of a chain of ifs:
local handlers={
["abc"]=function (prefix,info) ... end,
["123"]=function (prefix,info) ... end,
}
local badprefix=function (prefix,info) error("cannot handle "..prefix) end
while true do
local prefix, info = line:sub(1,3), line:sub(4)
local h = handlers[prefix] or badprefix
h(prefix,info)
end
local a, b, c = string.byte(s, 1, 3) local id = (65536 * a) + (256 * b) + c then use 'id' as index in a table, or for direct comparison. -- Enrico