| local has_bit32,bit = pcall(require,'bit32') | |
| if has_bit32 then | |
| -- lua 5.2 / bit32 library | |
| bit.rol = bit.lrotate | |
| bit.ror = bit.rrotate | |
| return bit | |
| else | |
| -- luajit / lua 5.1 + luabitop | |
| return require'bit' | |
| end | |
| local has_bit32,bit = pcall(require,'bit32') | |
| if has_bit32 then | |
| -- lua 5.2 / bit32 library | |
| bit.rol = bit.lrotate | |
| bit.ror = bit.rrotate | |
| return bit | |
| else | |
| -- luajit / lua 5.1 + luabitop | |
| return require'bit' | |
| end | |