BitTest

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This function performs an AND-conjunction on two or more (unsigned) 32-bit integers and checks, whether the conjuncted value is zero or not. See Bitwise operation for more details.

Syntax

bool bitTest ( uint var1, uint var2, ... )

Required arguments

  • varN: The value you want to perform the operation on (see above)

Returns

Returns true if the conjuncted value is not zero, false otherwise. If a bad argument was passed to bitTest, you'll get nil.

Example

local flags = 0x23 -- binary: 100011b
local mask = 0x20  -- binary: 100000b

-- Check if bit 1 is set
if bitTest(flags, mask) then
    outputDebugString("Yeah. It's set")
else
    outputDebugString("I'm sorry ;(")
end

See Also