Module:Wd: Difference between revisions

Revision as of 21:25, 12 January 2017

Revision as of 21:40, 12 January 2017

Line 1,638:

assert(p[f], 'The function "' .. f .. '" does not exist')

-- positional parameters;

args = {}

-- shift them one index forward

for i, v in ipairs(frame.args) do

if i > 1 then

args[i-1] = v

end

end

end

-- named parameters;

-- simply copy these

for i, v in pairs(frame.args) do

-- pairs() also iterates over the positional parameters,

-- so ignore those since they have been added by the last loop already

if not args[i] then

args[i] = {}v

end

end

-- last loop added the last positional parameter under its previous key again,

-- so just remove it (it has been copied to #frame.args-1 already)

args[#frame.args] = nil

frame.args = args