---
--- Generated by EmmyLua(https://github.com/EmmyLua)
--- Created by 22040515.
--- DateTime: 2023年1月4日 18:08
---
function factorial1(n)
 if n == 0 then
 return 1
 else
 return n * factorial1(n - 1)
 end
end

print(factorial1(5))
factorial2 = factorial1
print(factorial2(5))

local function testFun(tab, fun)
 for k, v in pairs(tab) do
 print(fun(k, v))
 end
end
tab = { key1 = 'val1', key2 = 'val2' }

testFun(tab, function(k, v)
 --匿名函数
 return k .. '=' .. v;
end
)

local function multiReturnValue()
 return 1, 2, 3
end

print(multiReturnValue())

local function multiArgs(...)
 a = select(3, ...)
 print(a)
 print(select(3, ...))
 print('不定参长度为' .. select('#', ...))
end
print(multiArgs(0, 1, 2, 3, 4, 5))

local function fwrite(fmt, ...)
 return io.write(string.format(fmt, ...))
end

fwrite('runoob\n')
fwrite('%d%d\n', 1, 2)