Module:Kangxi radical

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Implements {{Kangxi radical}}.

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require('strict')

local p = {}

function p.Kxr(frame)
	-- simplify handling of args
	local getArgs = require('Module:Arguments').getArgs
	local args = getArgs(frame)
	local r = tonumber(args[1])
	if args[2] then
		error("Only one argument of a number between 1 and 214 is accepted")
	elseif r < 1 or r > 214 then
		error("Argument must be between 1 and 214")
	else
		return p._Kxr(r)
	end
	return
end

function p._Kxr(r)
	local unicode = math.floor(r) + 0x2F00 - 1
	local u_str = "&#" .. unicode .. ";"
	local result = u_str
	
	return result
end

return p