模組:Startswith
外观
local p = {}
function p.startswith(frame)
local args
local str
local second
local length
local head
if frame == mw.getCurrentFrame() then
-- called via #invoke
args = frame.args
can_call_parse = true
else
-- called from another module
args = frame
if type(args) ~= type({}) then args = {frame} end
end
if args[1] then str = args[1] else str = args['1'] end
if args['start'] then
head = args['start']
else
if args['length'] then
length = tonumber(args['length'])
else
if args[2] then second = args[2] else second = args['2'] end
if type(tonumber(second)) == 'number' then length = tonumber(second) else head = second end
end
end
if length then
return str:sub(1, length)
else
return str:sub(1, #head) == head
end
end
return p