Lua初识【一】

b站bug根因.lua

local _gcd
_gcd = function(a,b)
    print("a:",a,"b:",b)
    print("b == 0",b == 0)

    if b == 0 then
       return a
    end

     return _gcd(b,a%b)
end

print(50 /0 ) -- inf
print(50%'0') -- n%0

print("first :_gcd(52,0)：",_gcd(50,'0'))
print("second :_gcd('0',50%'0')：",_gcd('0',50%'0'))